20787304888

素因数分解:

$2^3\times 7^2\times {\mathrm{3853}}^1\times {\mathrm{13763}}^1$

素因数の和:17636

約数の個数: 48

約数和(自身を含む): 45354719880

約数和(自身を除く): 24567414992

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 3853, 7706, 13763, 15412, 26971, 27526, 30824, 53942, 55052, 96341, 107884, 110104, 188797, 192682, 215768, 377594, 385364, 674387, 755188, 770728, 1348774, 1510376, 2697548, 5395096, 53028839, 106057678, 212115356, 371201873, 424230712, 742403746, 1484807492, 2598413111, 2969614984, 5196826222, 10393652444, 20787304888]

約数ペア:

[(1, 20787304888), (2, 10393652444), (4, 5196826222), (7, 2969614984), (8, 2598413111), (14, 1484807492), (28, 742403746), (49, 424230712), (56, 371201873), (98, 212115356), (196, 106057678), (392, 53028839), (3853, 5395096), (7706, 2697548), (13763, 1510376), (15412, 1348774), (26971, 770728), (27526, 755188), (30824, 674387), (53942, 385364), (55052, 377594), (96341, 215768), (107884, 192682), (110104, 188797)]