20162842520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{163819}}^1$

素因数の和:164028

約数の個数: 64

約数和(自身を含む): 48300688800

約数和(自身を除く): 28137846280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 181, 340, 362, 680, 724, 905, 1448, 1810, 3077, 3620, 6154, 7240, 12308, 15385, 24616, 30770, 61540, 123080, 163819, 327638, 655276, 819095, 1310552, 1638190, 2784923, 3276380, 5569846, 6552760, 11139692, 13924615, 22279384, 27849230, 29651239, 55698460, 59302478, 111396920, 118604956, 148256195, 237209912, 296512390, 504071063, 593024780, 1008142126, 1186049560, 2016284252, 2520355315, 4032568504, 5040710630, 10081421260, 20162842520]

約数ペア:

[(1, 20162842520), (2, 10081421260), (4, 5040710630), (5, 4032568504), (8, 2520355315), (10, 2016284252), (17, 1186049560), (20, 1008142126), (34, 593024780), (40, 504071063), (68, 296512390), (85, 237209912), (136, 148256195), (170, 118604956), (181, 111396920), (340, 59302478), (362, 55698460), (680, 29651239), (724, 27849230), (905, 22279384), (1448, 13924615), (1810, 11139692), (3077, 6552760), (3620, 5569846), (6154, 3276380), (7240, 2784923), (12308, 1638190), (15385, 1310552), (24616, 819095), (30770, 655276), (61540, 327638), (123080, 163819)]