20281872

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32503}}^1$

素因数の和:32527

約数の個数: 40

約数和(自身を含む): 56426944

約数和(自身を除く): 36145072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32503, 65006, 97509, 130012, 195018, 260024, 390036, 422539, 520048, 780072, 845078, 1267617, 1560144, 1690156, 2535234, 3380312, 5070468, 6760624, 10140936, 20281872]

約数ペア:

[(1, 20281872), (2, 10140936), (3, 6760624), (4, 5070468), (6, 3380312), (8, 2535234), (12, 1690156), (13, 1560144), (16, 1267617), (24, 845078), (26, 780072), (39, 520048), (48, 422539), (52, 390036), (78, 260024), (104, 195018), (156, 130012), (208, 97509), (312, 65006), (624, 32503)]