20124894060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{617707}}^1$

素因数の和:617903

約数の個数: 72

約数和(自身を含む): 61382879376

約数和(自身を除く): 41257985316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 5430, 6516, 8145, 10860, 16290, 32580, 617707, 1235414, 1853121, 2470828, 3088535, 3706242, 5559363, 6177070, 7412484, 9265605, 11118726, 12354140, 18531210, 22237452, 27796815, 37062420, 55593630, 111187260, 111804967, 223609934, 335414901, 447219868, 559024835, 670829802, 1006244703, 1118049670, 1341659604, 1677074505, 2012489406, 2236099340, 3354149010, 4024978812, 5031223515, 6708298020, 10062447030, 20124894060]

約数ペア:

[(1, 20124894060), (2, 10062447030), (3, 6708298020), (4, 5031223515), (5, 4024978812), (6, 3354149010), (9, 2236099340), (10, 2012489406), (12, 1677074505), (15, 1341659604), (18, 1118049670), (20, 1006244703), (30, 670829802), (36, 559024835), (45, 447219868), (60, 335414901), (90, 223609934), (180, 111804967), (181, 111187260), (362, 55593630), (543, 37062420), (724, 27796815), (905, 22237452), (1086, 18531210), (1629, 12354140), (1810, 11118726), (2172, 9265605), (2715, 7412484), (3258, 6177070), (3620, 5559363), (5430, 3706242), (6516, 3088535), (8145, 2470828), (10860, 1853121), (16290, 1235414), (32580, 617707)]