20232420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25939}}^1$

素因数の和:25964

約数の個数: 48

約数和(自身を含む): 61010880

約数和(自身を除く): 40778460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25939, 51878, 77817, 103756, 129695, 155634, 259390, 311268, 337207, 389085, 518780, 674414, 778170, 1011621, 1348828, 1556340, 1686035, 2023242, 3372070, 4046484, 5058105, 6744140, 10116210, 20232420]

約数ペア:

[(1, 20232420), (2, 10116210), (3, 6744140), (4, 5058105), (5, 4046484), (6, 3372070), (10, 2023242), (12, 1686035), (13, 1556340), (15, 1348828), (20, 1011621), (26, 778170), (30, 674414), (39, 518780), (52, 389085), (60, 337207), (65, 311268), (78, 259390), (130, 155634), (156, 129695), (195, 103756), (260, 77817), (390, 51878), (780, 25939)]