20152505940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{186701}}^1$

素因数の和:186977

約数の個数: 96

約数和(自身を含む): 64739291904

約数和(自身を除く): 44586785964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 257, 420, 514, 771, 1028, 1285, 1542, 1799, 2570, 3084, 3598, 3855, 5140, 5397, 7196, 7710, 8995, 10794, 15420, 17990, 21588, 26985, 35980, 53970, 107940, 186701, 373402, 560103, 746804, 933505, 1120206, 1306907, 1867010, 2240412, 2613814, 2800515, 3734020, 3920721, 5227628, 5601030, 6534535, 7841442, 11202060, 13069070, 15682884, 19603605, 26138140, 39207210, 47982157, 78414420, 95964314, 143946471, 191928628, 239910785, 287892942, 335875099, 479821570, 575785884, 671750198, 719732355, 959643140, 1007625297, 1343500396, 1439464710, 1679375495, 2015250594, 2878929420, 3358750990, 4030501188, 5038126485, 6717501980, 10076252970, 20152505940]

約数ペア:

[(1, 20152505940), (2, 10076252970), (3, 6717501980), (4, 5038126485), (5, 4030501188), (6, 3358750990), (7, 2878929420), (10, 2015250594), (12, 1679375495), (14, 1439464710), (15, 1343500396), (20, 1007625297), (21, 959643140), (28, 719732355), (30, 671750198), (35, 575785884), (42, 479821570), (60, 335875099), (70, 287892942), (84, 239910785), (105, 191928628), (140, 143946471), (210, 95964314), (257, 78414420), (420, 47982157), (514, 39207210), (771, 26138140), (1028, 19603605), (1285, 15682884), (1542, 13069070), (1799, 11202060), (2570, 7841442), (3084, 6534535), (3598, 5601030), (3855, 5227628), (5140, 3920721), (5397, 3734020), (7196, 2800515), (7710, 2613814), (8995, 2240412), (10794, 1867010), (15420, 1306907), (17990, 1120206), (21588, 933505), (26985, 746804), (35980, 560103), (53970, 373402), (107940, 186701)]