20176888901

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1\times {\mathrm{907}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 22488036480

約数和(自身を除く): 2311147579

約数列:

[1, 13, 53, 83, 389, 689, 907, 1079, 4399, 5057, 11791, 20617, 32287, 48071, 57187, 75281, 268021, 352823, 419731, 624923, 978653, 1711211, 3989893, 4586699, 18699619, 22245743, 29284309, 51868609, 243095047, 380696017, 1552068377, 20176888901]

約数ペア:

[(1, 20176888901), (13, 1552068377), (53, 380696017), (83, 243095047), (389, 51868609), (689, 29284309), (907, 22245743), (1079, 18699619), (4399, 4586699), (5057, 3989893), (11791, 1711211), (20617, 978653), (32287, 624923), (48071, 419731), (57187, 352823), (75281, 268021)]