20266260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:753

約数の個数: 96

約数和(自身を含む): 65839872

約数和(自身を除く): 45573612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 661, 730, 876, 1022, 1095, 1322, 1460, 1533, 1983, 2044, 2190, 2555, 2644, 3066, 3305, 3966, 4380, 4627, 5110, 6132, 6610, 7665, 7932, 9254, 9915, 10220, 13220, 13881, 15330, 18508, 19830, 23135, 27762, 30660, 39660, 46270, 48253, 55524, 69405, 92540, 96506, 138810, 144759, 193012, 241265, 277620, 289518, 337771, 482530, 579036, 675542, 723795, 965060, 1013313, 1351084, 1447590, 1688855, 2026626, 2895180, 3377710, 4053252, 5066565, 6755420, 10133130, 20266260]

約数ペア:

[(1, 20266260), (2, 10133130), (3, 6755420), (4, 5066565), (5, 4053252), (6, 3377710), (7, 2895180), (10, 2026626), (12, 1688855), (14, 1447590), (15, 1351084), (20, 1013313), (21, 965060), (28, 723795), (30, 675542), (35, 579036), (42, 482530), (60, 337771), (70, 289518), (73, 277620), (84, 241265), (105, 193012), (140, 144759), (146, 138810), (210, 96506), (219, 92540), (292, 69405), (365, 55524), (420, 48253), (438, 46270), (511, 39660), (661, 30660), (730, 27762), (876, 23135), (1022, 19830), (1095, 18508), (1322, 15330), (1460, 13881), (1533, 13220), (1983, 10220), (2044, 9915), (2190, 9254), (2555, 7932), (2644, 7665), (3066, 6610), (3305, 6132), (3966, 5110), (4380, 4627)]