20366942420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{177691}}^1$

素因数の和:178232

約数の個数: 48

約数和(自身を含む): 46748632896

約数和(自身を除く): 26381690476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 521, 1042, 2084, 2605, 5210, 5731, 10420, 11462, 22924, 28655, 57310, 114620, 177691, 355382, 710764, 888455, 1776910, 1954601, 3553820, 3909202, 7818404, 9773005, 19546010, 39092020, 92577011, 185154022, 370308044, 462885055, 925770110, 1018347121, 1851540220, 2036694242, 4073388484, 5091735605, 10183471210, 20366942420]

約数ペア:

[(1, 20366942420), (2, 10183471210), (4, 5091735605), (5, 4073388484), (10, 2036694242), (11, 1851540220), (20, 1018347121), (22, 925770110), (44, 462885055), (55, 370308044), (110, 185154022), (220, 92577011), (521, 39092020), (1042, 19546010), (2084, 9773005), (2605, 7818404), (5210, 3909202), (5731, 3553820), (10420, 1954601), (11462, 1776910), (22924, 888455), (28655, 710764), (57310, 355382), (114620, 177691)]