19822020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10657}}^1$

素因数の和:10700

約数の個数: 48

約数和(自身を含む): 57297408

約数和(自身を除く): 37475388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10657, 21314, 31971, 42628, 53285, 63942, 106570, 127884, 159855, 213140, 319710, 330367, 639420, 660734, 991101, 1321468, 1651835, 1982202, 3303670, 3964404, 4955505, 6607340, 9911010, 19822020]

約数ペア:

[(1, 19822020), (2, 9911010), (3, 6607340), (4, 4955505), (5, 3964404), (6, 3303670), (10, 1982202), (12, 1651835), (15, 1321468), (20, 991101), (30, 660734), (31, 639420), (60, 330367), (62, 319710), (93, 213140), (124, 159855), (155, 127884), (186, 106570), (310, 63942), (372, 53285), (465, 42628), (620, 31971), (930, 21314), (1860, 10657)]