820206970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{677857}}^1$

素因数の和:677886

約数の個数: 24

約数和(自身を含む): 1622792052

約数和(自身を除く): 802585082

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 677857, 1355714, 3389285, 6778570, 7456427, 14912854, 37282135, 74564270, 82020697, 164041394, 410103485, 820206970]

約数ペア:

[(1, 820206970), (2, 410103485), (5, 164041394), (10, 82020697), (11, 74564270), (22, 37282135), (55, 14912854), (110, 7456427), (121, 6778570), (242, 3389285), (605, 1355714), (1210, 677857)]