20565993990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15942631}}^1$

素因数の和:15942684

約数の個数: 32

約数和(自身を含む): 50506258176

約数和(自身を除く): 29940264186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15942631, 31885262, 47827893, 79713155, 95655786, 159426310, 239139465, 478278930, 685533133, 1371066266, 2056599399, 3427665665, 4113198798, 6855331330, 10282996995, 20565993990]

約数ペア:

[(1, 20565993990), (2, 10282996995), (3, 6855331330), (5, 4113198798), (6, 3427665665), (10, 2056599399), (15, 1371066266), (30, 685533133), (43, 478278930), (86, 239139465), (129, 159426310), (215, 95655786), (258, 79713155), (430, 47827893), (645, 31885262), (1290, 15942631)]