20161987102912

素因数分解:

$2^6\times {\mathrm{83}}^1\times {\mathrm{20759}}^1\times {\mathrm{182839}}^1$

素因数の和:203693

約数の個数: 56

約数和(自身を含む): 40493150611200

約数和(自身を除く): 20331163508288

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 166, 332, 664, 1328, 2656, 5312, 20759, 41518, 83036, 166072, 182839, 332144, 365678, 664288, 731356, 1328576, 1462712, 1722997, 2925424, 3445994, 5850848, 6891988, 11701696, 13783976, 15175637, 27567952, 30351274, 55135904, 60702548, 110271808, 121405096, 242810192, 485620384, 971240768, 3795554801, 7591109602, 15182219204, 30364438408, 60728876816, 121457753632, 242915507264, 315031048483, 630062096966, 1260124193932, 2520248387864, 5040496775728, 10080993551456, 20161987102912]

約数ペア:

[(1, 20161987102912), (2, 10080993551456), (4, 5040496775728), (8, 2520248387864), (16, 1260124193932), (32, 630062096966), (64, 315031048483), (83, 242915507264), (166, 121457753632), (332, 60728876816), (664, 30364438408), (1328, 15182219204), (2656, 7591109602), (5312, 3795554801), (20759, 971240768), (41518, 485620384), (83036, 242810192), (166072, 121405096), (182839, 110271808), (332144, 60702548), (365678, 55135904), (664288, 30351274), (731356, 27567952), (1328576, 15175637), (1462712, 13783976), (1722997, 11701696), (2925424, 6891988), (3445994, 5850848)]