20732045180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{29983}}^1$

素因数の和:30459

約数の個数: 96

約数和(自身を含む): 54402969600

約数和(自身を除く): 33670924420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 449, 770, 898, 1540, 1796, 2245, 3143, 4490, 4939, 6286, 8980, 9878, 12572, 15715, 19756, 24695, 29983, 31430, 34573, 49390, 59966, 62860, 69146, 98780, 119932, 138292, 149915, 172865, 209881, 299830, 329813, 345730, 419762, 599660, 659626, 691460, 839524, 1049405, 1319252, 1649065, 2098810, 2308691, 3298130, 4197620, 4617382, 6596260, 9234764, 11543455, 13462367, 23086910, 26924734, 46173820, 53849468, 67311835, 94236569, 134623670, 148086037, 188473138, 269247340, 296172074, 376946276, 471182845, 592344148, 740430185, 942365690, 1036602259, 1480860370, 1884731380, 2073204518, 2961720740, 4146409036, 5183011295, 10366022590, 20732045180]

約数ペア:

[(1, 20732045180), (2, 10366022590), (4, 5183011295), (5, 4146409036), (7, 2961720740), (10, 2073204518), (11, 1884731380), (14, 1480860370), (20, 1036602259), (22, 942365690), (28, 740430185), (35, 592344148), (44, 471182845), (55, 376946276), (70, 296172074), (77, 269247340), (110, 188473138), (140, 148086037), (154, 134623670), (220, 94236569), (308, 67311835), (385, 53849468), (449, 46173820), (770, 26924734), (898, 23086910), (1540, 13462367), (1796, 11543455), (2245, 9234764), (3143, 6596260), (4490, 4617382), (4939, 4197620), (6286, 3298130), (8980, 2308691), (9878, 2098810), (12572, 1649065), (15715, 1319252), (19756, 1049405), (24695, 839524), (29983, 691460), (31430, 659626), (34573, 599660), (49390, 419762), (59966, 345730), (62860, 329813), (69146, 299830), (98780, 209881), (119932, 172865), (138292, 149915)]