20848020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9391}}^1$

素因数の和:9440

約数の個数: 48

約数和(自身を含む): 59958528

約数和(自身を除く): 39110508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9391, 18782, 28173, 37564, 46955, 56346, 93910, 112692, 140865, 187820, 281730, 347467, 563460, 694934, 1042401, 1389868, 1737335, 2084802, 3474670, 4169604, 5212005, 6949340, 10424010, 20848020]

約数ペア:

[(1, 20848020), (2, 10424010), (3, 6949340), (4, 5212005), (5, 4169604), (6, 3474670), (10, 2084802), (12, 1737335), (15, 1389868), (20, 1042401), (30, 694934), (37, 563460), (60, 347467), (74, 281730), (111, 187820), (148, 140865), (185, 112692), (222, 93910), (370, 56346), (444, 46955), (555, 37564), (740, 28173), (1110, 18782), (2220, 9391)]