20187180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8627}}^1$

素因数の和:8655

約数の個数: 72

約数和(自身を含む): 65952432

約数和(自身を除く): 45765252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8627, 17254, 25881, 34508, 43135, 51762, 77643, 86270, 103524, 112151, 129405, 155286, 172540, 224302, 258810, 310572, 336453, 388215, 448604, 517620, 560755, 672906, 776430, 1009359, 1121510, 1345812, 1552860, 1682265, 2018718, 2243020, 3364530, 4037436, 5046795, 6729060, 10093590, 20187180]

約数ペア:

[(1, 20187180), (2, 10093590), (3, 6729060), (4, 5046795), (5, 4037436), (6, 3364530), (9, 2243020), (10, 2018718), (12, 1682265), (13, 1552860), (15, 1345812), (18, 1121510), (20, 1009359), (26, 776430), (30, 672906), (36, 560755), (39, 517620), (45, 448604), (52, 388215), (60, 336453), (65, 310572), (78, 258810), (90, 224302), (117, 172540), (130, 155286), (156, 129405), (180, 112151), (195, 103524), (234, 86270), (260, 77643), (390, 51762), (468, 43135), (585, 34508), (780, 25881), (1170, 17254), (2340, 8627)]