20138264524

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:815

約数の個数: 96

約数和(自身を含む): 41533341696

約数和(自身を除く): 21395077172

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 127, 244, 254, 263, 353, 427, 508, 526, 706, 854, 889, 1052, 1412, 1708, 1778, 1841, 2471, 3556, 3682, 4942, 7364, 7747, 9884, 15494, 16043, 21533, 30988, 32086, 33401, 43066, 44831, 54229, 64172, 66802, 86132, 89662, 92839, 108458, 112301, 133604, 150731, 179324, 185678, 216916, 224602, 233807, 301462, 313817, 371356, 449204, 467614, 602924, 627634, 649873, 935228, 1255268, 1299746, 2037461, 2599492, 2734691, 4074922, 5469382, 5663179, 8149844, 10938764, 11326358, 11790553, 14262227, 19142837, 22652716, 23581106, 28524454, 38285674, 39642253, 47162212, 57048908, 76571348, 79284506, 82533871, 158569012, 165067742, 330135484, 719223733, 1438447466, 2876894932, 5034566131, 10069132262, 20138264524]

約数ペア:

[(1, 20138264524), (2, 10069132262), (4, 5034566131), (7, 2876894932), (14, 1438447466), (28, 719223733), (61, 330135484), (122, 165067742), (127, 158569012), (244, 82533871), (254, 79284506), (263, 76571348), (353, 57048908), (427, 47162212), (508, 39642253), (526, 38285674), (706, 28524454), (854, 23581106), (889, 22652716), (1052, 19142837), (1412, 14262227), (1708, 11790553), (1778, 11326358), (1841, 10938764), (2471, 8149844), (3556, 5663179), (3682, 5469382), (4942, 4074922), (7364, 2734691), (7747, 2599492), (9884, 2037461), (15494, 1299746), (16043, 1255268), (21533, 935228), (30988, 649873), (32086, 627634), (33401, 602924), (43066, 467614), (44831, 449204), (54229, 371356), (64172, 313817), (66802, 301462), (86132, 233807), (89662, 224602), (92839, 216916), (108458, 185678), (112301, 179324), (133604, 150731)]