20736700640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{3041}}^1$

素因数の和:3205

約数の個数: 192

約数和(自身を含む): 54642107520

約数和(自身を除く): 33905406880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 68, 80, 85, 92, 109, 115, 136, 160, 170, 184, 218, 230, 272, 340, 368, 391, 436, 460, 544, 545, 680, 736, 782, 872, 920, 1090, 1360, 1564, 1744, 1840, 1853, 1955, 2180, 2507, 2720, 3041, 3128, 3488, 3680, 3706, 3910, 4360, 5014, 6082, 6256, 7412, 7820, 8720, 9265, 10028, 12164, 12512, 12535, 14824, 15205, 15640, 17440, 18530, 20056, 24328, 25070, 29648, 30410, 31280, 37060, 40112, 42619, 48656, 50140, 51697, 59296, 60820, 62560, 69943, 74120, 80224, 85238, 97312, 100280, 103394, 121640, 139886, 148240, 170476, 200560, 206788, 213095, 243280, 258485, 279772, 296480, 331469, 340952, 349715, 401120, 413576, 426190, 486560, 516970, 559544, 662938, 681904, 699430, 827152, 852380, 1033940, 1119088, 1189031, 1325876, 1363808, 1398860, 1654304, 1657345, 1704760, 2067880, 2238176, 2378062, 2651752, 2797720, 3314690, 3409520, 4135760, 4756124, 5303504, 5595440, 5634973, 5945155, 6629380, 6819040, 7623787, 8271520, 9512248, 10607008, 11190880, 11269946, 11890310, 13258760, 15247574, 19024496, 22539892, 23780620, 26517520, 28174865, 30495148, 38048992, 38118935, 45079784, 47561240, 53035040, 56349730, 60990296, 76237870, 90159568, 95122480, 112699460, 121980592, 129604379, 152475740, 180319136, 190244960, 225398920, 243961184, 259208758, 304951480, 450797840, 518417516, 609902960, 648021895, 901595680, 1036835032, 1219805920, 1296043790, 2073670064, 2592087580, 4147340128, 5184175160, 10368350320, 20736700640]

約数ペア:

[(1, 20736700640), (2, 10368350320), (4, 5184175160), (5, 4147340128), (8, 2592087580), (10, 2073670064), (16, 1296043790), (17, 1219805920), (20, 1036835032), (23, 901595680), (32, 648021895), (34, 609902960), (40, 518417516), (46, 450797840), (68, 304951480), (80, 259208758), (85, 243961184), (92, 225398920), (109, 190244960), (115, 180319136), (136, 152475740), (160, 129604379), (170, 121980592), (184, 112699460), (218, 95122480), (230, 90159568), (272, 76237870), (340, 60990296), (368, 56349730), (391, 53035040), (436, 47561240), (460, 45079784), (544, 38118935), (545, 38048992), (680, 30495148), (736, 28174865), (782, 26517520), (872, 23780620), (920, 22539892), (1090, 19024496), (1360, 15247574), (1564, 13258760), (1744, 11890310), (1840, 11269946), (1853, 11190880), (1955, 10607008), (2180, 9512248), (2507, 8271520), (2720, 7623787), (3041, 6819040), (3128, 6629380), (3488, 5945155), (3680, 5634973), (3706, 5595440), (3910, 5303504), (4360, 4756124), (5014, 4135760), (6082, 3409520), (6256, 3314690), (7412, 2797720), (7820, 2651752), (8720, 2378062), (9265, 2238176), (10028, 2067880), (12164, 1704760), (12512, 1657345), (12535, 1654304), (14824, 1398860), (15205, 1363808), (15640, 1325876), (17440, 1189031), (18530, 1119088), (20056, 1033940), (24328, 852380), (25070, 827152), (29648, 699430), (30410, 681904), (31280, 662938), (37060, 559544), (40112, 516970), (42619, 486560), (48656, 426190), (50140, 413576), (51697, 401120), (59296, 349715), (60820, 340952), (62560, 331469), (69943, 296480), (74120, 279772), (80224, 258485), (85238, 243280), (97312, 213095), (100280, 206788), (103394, 200560), (121640, 170476), (139886, 148240)]