20140037720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2111}}^1\times {\mathrm{21683}}^1$

素因数の和:23816

約数の個数: 64

約数和(自身を含む): 49460336640

約数和(自身を除く): 29320298920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2111, 4222, 8444, 10555, 16888, 21110, 21683, 23221, 42220, 43366, 46442, 84440, 86732, 92884, 108415, 116105, 173464, 185768, 216830, 232210, 238513, 433660, 464420, 477026, 867320, 928840, 954052, 1192565, 1908104, 2385130, 4770260, 9540520, 45772813, 91545626, 183091252, 228864065, 366182504, 457728130, 503500943, 915456260, 1007001886, 1830912520, 2014003772, 2517504715, 4028007544, 5035009430, 10070018860, 20140037720]

約数ペア:

[(1, 20140037720), (2, 10070018860), (4, 5035009430), (5, 4028007544), (8, 2517504715), (10, 2014003772), (11, 1830912520), (20, 1007001886), (22, 915456260), (40, 503500943), (44, 457728130), (55, 366182504), (88, 228864065), (110, 183091252), (220, 91545626), (440, 45772813), (2111, 9540520), (4222, 4770260), (8444, 2385130), (10555, 1908104), (16888, 1192565), (21110, 954052), (21683, 928840), (23221, 867320), (42220, 477026), (43366, 464420), (46442, 433660), (84440, 238513), (86732, 232210), (92884, 216830), (108415, 185768), (116105, 173464)]