20376420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1483}}^1$

素因数の和:1724

約数の個数: 48

約数和(自身を含む): 57341760

約数和(自身を除く): 36965340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 229, 458, 687, 916, 1145, 1374, 1483, 2290, 2748, 2966, 3435, 4449, 4580, 5932, 6870, 7415, 8898, 13740, 14830, 17796, 22245, 29660, 44490, 88980, 339607, 679214, 1018821, 1358428, 1698035, 2037642, 3396070, 4075284, 5094105, 6792140, 10188210, 20376420]

約数ペア:

[(1, 20376420), (2, 10188210), (3, 6792140), (4, 5094105), (5, 4075284), (6, 3396070), (10, 2037642), (12, 1698035), (15, 1358428), (20, 1018821), (30, 679214), (60, 339607), (229, 88980), (458, 44490), (687, 29660), (916, 22245), (1145, 17796), (1374, 14830), (1483, 13740), (2290, 8898), (2748, 7415), (2966, 6870), (3435, 5932), (4449, 4580)]