20850801744

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{26717}}^1$

素因数の和:27028

約数の個数: 80

約数和(自身を含む): 54863809920

約数和(自身を除く): 34013008176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 229, 284, 426, 458, 568, 687, 852, 916, 1136, 1374, 1704, 1832, 2748, 3408, 3664, 5496, 10992, 16259, 26717, 32518, 48777, 53434, 65036, 80151, 97554, 106868, 130072, 160302, 195108, 213736, 260144, 320604, 390216, 427472, 641208, 780432, 1282416, 1896907, 3793814, 5690721, 6118193, 7587628, 11381442, 12236386, 15175256, 18354579, 22762884, 24472772, 30350512, 36709158, 45525768, 48945544, 73418316, 91051536, 97891088, 146836632, 293673264, 434391703, 868783406, 1303175109, 1737566812, 2606350218, 3475133624, 5212700436, 6950267248, 10425400872, 20850801744]

約数ペア:

[(1, 20850801744), (2, 10425400872), (3, 6950267248), (4, 5212700436), (6, 3475133624), (8, 2606350218), (12, 1737566812), (16, 1303175109), (24, 868783406), (48, 434391703), (71, 293673264), (142, 146836632), (213, 97891088), (229, 91051536), (284, 73418316), (426, 48945544), (458, 45525768), (568, 36709158), (687, 30350512), (852, 24472772), (916, 22762884), (1136, 18354579), (1374, 15175256), (1704, 12236386), (1832, 11381442), (2748, 7587628), (3408, 6118193), (3664, 5690721), (5496, 3793814), (10992, 1896907), (16259, 1282416), (26717, 780432), (32518, 641208), (48777, 427472), (53434, 390216), (65036, 320604), (80151, 260144), (97554, 213736), (106868, 195108), (130072, 160302)]