20023419

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 29854720

約数和(自身を除く): 9831301

約数列:

[1, 3, 13, 39, 67, 79, 97, 201, 237, 291, 871, 1027, 1261, 2613, 3081, 3783, 5293, 6499, 7663, 15879, 19497, 22989, 68809, 84487, 99619, 206427, 253461, 298857, 513421, 1540263, 6674473, 20023419]

約数ペア:

[(1, 20023419), (3, 6674473), (13, 1540263), (39, 513421), (67, 298857), (79, 253461), (97, 206427), (201, 99619), (237, 84487), (291, 68809), (871, 22989), (1027, 19497), (1261, 15879), (2613, 7663), (3081, 6499), (3783, 5293)]