20848560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86869}}^1$

素因数の和:86885

約数の個数: 40

約数和(自身を含む): 64631280

約数和(自身を除く): 43782720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86869, 173738, 260607, 347476, 434345, 521214, 694952, 868690, 1042428, 1303035, 1389904, 1737380, 2084856, 2606070, 3474760, 4169712, 5212140, 6949520, 10424280, 20848560]

約数ペア:

[(1, 20848560), (2, 10424280), (3, 6949520), (4, 5212140), (5, 4169712), (6, 3474760), (8, 2606070), (10, 2084856), (12, 1737380), (15, 1389904), (16, 1303035), (20, 1042428), (24, 868690), (30, 694952), (40, 521214), (48, 434345), (60, 347476), (80, 260607), (120, 173738), (240, 86869)]