20210364860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144359749}}^1$

素因数の和:144359765

約数の個数: 24

約数和(自身を含む): 48504876000

約数和(自身を除く): 28294511140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144359749, 288719498, 577438996, 721798745, 1010518243, 1443597490, 2021036486, 2887194980, 4042072972, 5052591215, 10105182430, 20210364860]

約数ペア:

[(1, 20210364860), (2, 10105182430), (4, 5052591215), (5, 4042072972), (7, 2887194980), (10, 2021036486), (14, 1443597490), (20, 1010518243), (28, 721798745), (35, 577438996), (70, 288719498), (140, 144359749)]