20744505585

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{59567}}^1$

素因数の和:59758

約数の個数: 48

約数和(自身を含む): 36798727680

約数和(自身を除く): 16054222095

約数列:

[1, 3, 5, 9, 15, 45, 71, 109, 213, 327, 355, 545, 639, 981, 1065, 1635, 3195, 4905, 7739, 23217, 38695, 59567, 69651, 116085, 178701, 297835, 348255, 536103, 893505, 2680515, 4229257, 6492803, 12687771, 19478409, 21146285, 32464015, 38063313, 58435227, 63438855, 97392045, 190316565, 292176135, 460989013, 1382967039, 2304945065, 4148901117, 6914835195, 20744505585]

約数ペア:

[(1, 20744505585), (3, 6914835195), (5, 4148901117), (9, 2304945065), (15, 1382967039), (45, 460989013), (71, 292176135), (109, 190316565), (213, 97392045), (327, 63438855), (355, 58435227), (545, 38063313), (639, 32464015), (981, 21146285), (1065, 19478409), (1635, 12687771), (3195, 6492803), (4905, 4229257), (7739, 2680515), (23217, 893505), (38695, 536103), (59567, 348255), (69651, 297835), (116085, 178701)]