20189367440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{102881}}^1$

素因数の和:103128

約数の個数: 80

約数和(自身を含む): 51437707776

約数和(自身を除く): 31248340336

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 223, 440, 446, 880, 892, 1115, 1784, 2230, 2453, 3568, 4460, 4906, 8920, 9812, 12265, 17840, 19624, 24530, 39248, 49060, 98120, 102881, 196240, 205762, 411524, 514405, 823048, 1028810, 1131691, 1646096, 2057620, 2263382, 4115240, 4526764, 5658455, 8230480, 9053528, 11316910, 18107056, 22633820, 22942463, 45267640, 45884926, 90535280, 91769852, 114712315, 183539704, 229424630, 252367093, 367079408, 458849260, 504734186, 917698520, 1009468372, 1261835465, 1835397040, 2018936744, 2523670930, 4037873488, 5047341860, 10094683720, 20189367440]

約数ペア:

[(1, 20189367440), (2, 10094683720), (4, 5047341860), (5, 4037873488), (8, 2523670930), (10, 2018936744), (11, 1835397040), (16, 1261835465), (20, 1009468372), (22, 917698520), (40, 504734186), (44, 458849260), (55, 367079408), (80, 252367093), (88, 229424630), (110, 183539704), (176, 114712315), (220, 91769852), (223, 90535280), (440, 45884926), (446, 45267640), (880, 22942463), (892, 22633820), (1115, 18107056), (1784, 11316910), (2230, 9053528), (2453, 8230480), (3568, 5658455), (4460, 4526764), (4906, 4115240), (8920, 2263382), (9812, 2057620), (12265, 1646096), (17840, 1131691), (19624, 1028810), (24530, 823048), (39248, 514405), (49060, 411524), (98120, 205762), (102881, 196240)]