20187973035

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1159229}}^1$

素因数の和:1159289

約数の個数: 40

約数和(自身を含む): 37030443120

約数和(自身を除く): 16842470085

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1935, 3483, 5805, 17415, 1159229, 3477687, 5796145, 10433061, 17388435, 31299183, 49846847, 52165305, 93897549, 149540541, 156495915, 249234235, 448621623, 469487745, 747702705, 1345864869, 2243108115, 4037594607, 6729324345, 20187973035]

約数ペア:

[(1, 20187973035), (3, 6729324345), (5, 4037594607), (9, 2243108115), (15, 1345864869), (27, 747702705), (43, 469487745), (45, 448621623), (81, 249234235), (129, 156495915), (135, 149540541), (215, 93897549), (387, 52165305), (405, 49846847), (645, 31299183), (1161, 17388435), (1935, 10433061), (3483, 5796145), (5805, 3477687), (17415, 1159229)]