20210581430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{697157}}^1$

素因数の和:697400

約数の個数: 32

約数和(自身を含む): 39353174784

約数和(自身を除く): 19142593354

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 223, 446, 1115, 2230, 2899, 5798, 14495, 28990, 697157, 1394314, 3485785, 6971570, 9063041, 18126082, 45315205, 90630410, 155466011, 310932022, 777330055, 1554660110, 2021058143, 4042116286, 10105290715, 20210581430]

約数ペア:

[(1, 20210581430), (2, 10105290715), (5, 4042116286), (10, 2021058143), (13, 1554660110), (26, 777330055), (65, 310932022), (130, 155466011), (223, 90630410), (446, 45315205), (1115, 18126082), (2230, 9063041), (2899, 6971570), (5798, 3485785), (14495, 1394314), (28990, 697157)]