20111058820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:638

約数の個数: 192

約数和(自身を含む): 48400934400

約数和(自身を除く): 28289875580

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 53, 68, 76, 85, 95, 106, 151, 170, 190, 212, 265, 302, 323, 340, 380, 389, 530, 604, 646, 755, 778, 901, 1007, 1060, 1292, 1510, 1556, 1615, 1802, 1945, 2014, 2567, 2869, 3020, 3230, 3604, 3890, 4028, 4505, 5035, 5134, 5738, 6460, 6613, 7391, 7780, 8003, 9010, 10070, 10268, 11476, 12835, 13226, 14345, 14782, 16006, 17119, 18020, 20140, 20617, 25670, 26452, 28690, 29564, 32012, 33065, 34238, 36955, 40015, 41234, 48773, 51340, 57380, 58739, 66130, 68476, 73910, 80030, 82468, 85595, 97546, 103085, 117478, 125647, 132260, 136051, 147820, 152057, 160060, 171190, 195092, 206170, 234956, 243865, 251294, 272102, 293695, 304114, 342380, 350489, 391723, 412340, 487730, 502588, 544204, 587390, 608228, 628235, 680255, 700978, 760285, 783446, 975460, 998563, 1116041, 1174780, 1256470, 1360510, 1401956, 1520570, 1566892, 1752445, 1958615, 1997126, 2232082, 2512940, 2584969, 2721020, 3041140, 3113167, 3504890, 3917230, 3994252, 4464164, 4992815, 5169938, 5580205, 6226334, 6659291, 7009780, 7834460, 9985630, 10339876, 11160410, 12452668, 12924845, 13318582, 15565835, 18972697, 19971260, 22320820, 25849690, 26637164, 31131670, 33296455, 37945394, 51699380, 52923839, 59150173, 62263340, 66592910, 75890788, 94863485, 105847678, 118300346, 133185820, 189726970, 211695356, 236600692, 264619195, 295750865, 379453940, 529238390, 591501730, 1005552941, 1058476780, 1183003460, 2011105882, 4022211764, 5027764705, 10055529410, 20111058820]

約数ペア:

[(1, 20111058820), (2, 10055529410), (4, 5027764705), (5, 4022211764), (10, 2011105882), (17, 1183003460), (19, 1058476780), (20, 1005552941), (34, 591501730), (38, 529238390), (53, 379453940), (68, 295750865), (76, 264619195), (85, 236600692), (95, 211695356), (106, 189726970), (151, 133185820), (170, 118300346), (190, 105847678), (212, 94863485), (265, 75890788), (302, 66592910), (323, 62263340), (340, 59150173), (380, 52923839), (389, 51699380), (530, 37945394), (604, 33296455), (646, 31131670), (755, 26637164), (778, 25849690), (901, 22320820), (1007, 19971260), (1060, 18972697), (1292, 15565835), (1510, 13318582), (1556, 12924845), (1615, 12452668), (1802, 11160410), (1945, 10339876), (2014, 9985630), (2567, 7834460), (2869, 7009780), (3020, 6659291), (3230, 6226334), (3604, 5580205), (3890, 5169938), (4028, 4992815), (4505, 4464164), (5035, 3994252), (5134, 3917230), (5738, 3504890), (6460, 3113167), (6613, 3041140), (7391, 2721020), (7780, 2584969), (8003, 2512940), (9010, 2232082), (10070, 1997126), (10268, 1958615), (11476, 1752445), (12835, 1566892), (13226, 1520570), (14345, 1401956), (14782, 1360510), (16006, 1256470), (17119, 1174780), (18020, 1116041), (20140, 998563), (20617, 975460), (25670, 783446), (26452, 760285), (28690, 700978), (29564, 680255), (32012, 628235), (33065, 608228), (34238, 587390), (36955, 544204), (40015, 502588), (41234, 487730), (48773, 412340), (51340, 391723), (57380, 350489), (58739, 342380), (66130, 304114), (68476, 293695), (73910, 272102), (80030, 251294), (82468, 243865), (85595, 234956), (97546, 206170), (103085, 195092), (117478, 171190), (125647, 160060), (132260, 152057), (136051, 147820)]