20920020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1093}}^1$

素因数の和:1145

約数の個数: 96

約数和(自身を含む): 66165120

約数和(自身を除く): 45245100

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 132, 145, 165, 174, 220, 290, 319, 330, 348, 435, 580, 638, 660, 870, 957, 1093, 1276, 1595, 1740, 1914, 2186, 3190, 3279, 3828, 4372, 4785, 5465, 6380, 6558, 9570, 10930, 12023, 13116, 16395, 19140, 21860, 24046, 31697, 32790, 36069, 48092, 60115, 63394, 65580, 72138, 95091, 120230, 126788, 144276, 158485, 180345, 190182, 240460, 316970, 348667, 360690, 380364, 475455, 633940, 697334, 721380, 950910, 1046001, 1394668, 1743335, 1901820, 2092002, 3486670, 4184004, 5230005, 6973340, 10460010, 20920020]

約数ペア:

[(1, 20920020), (2, 10460010), (3, 6973340), (4, 5230005), (5, 4184004), (6, 3486670), (10, 2092002), (11, 1901820), (12, 1743335), (15, 1394668), (20, 1046001), (22, 950910), (29, 721380), (30, 697334), (33, 633940), (44, 475455), (55, 380364), (58, 360690), (60, 348667), (66, 316970), (87, 240460), (110, 190182), (116, 180345), (132, 158485), (145, 144276), (165, 126788), (174, 120230), (220, 95091), (290, 72138), (319, 65580), (330, 63394), (348, 60115), (435, 48092), (580, 36069), (638, 32790), (660, 31697), (870, 24046), (957, 21860), (1093, 19140), (1276, 16395), (1595, 13116), (1740, 12023), (1914, 10930), (2186, 9570), (3190, 6558), (3279, 6380), (3828, 5465), (4372, 4785)]