20175286820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3217}}^1\times {\mathrm{24121}}^1$

素因数の和:27360

約数の個数: 48

約数和(自身を含む): 45643262448

約数和(自身を除く): 25467975628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3217, 6434, 12868, 16085, 24121, 32170, 41821, 48242, 64340, 83642, 96484, 120605, 167284, 209105, 241210, 313573, 418210, 482420, 627146, 836420, 1254292, 1567865, 3135730, 6271460, 77597257, 155194514, 310389028, 387986285, 775972570, 1008764341, 1551945140, 2017528682, 4035057364, 5043821705, 10087643410, 20175286820]

約数ペア:

[(1, 20175286820), (2, 10087643410), (4, 5043821705), (5, 4035057364), (10, 2017528682), (13, 1551945140), (20, 1008764341), (26, 775972570), (52, 387986285), (65, 310389028), (130, 155194514), (260, 77597257), (3217, 6271460), (6434, 3135730), (12868, 1567865), (16085, 1254292), (24121, 836420), (32170, 627146), (41821, 482420), (48242, 418210), (64340, 313573), (83642, 241210), (96484, 209105), (120605, 167284)]