20958216

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 57607200

約数和(自身を除く): 36648984

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 41, 57, 59, 76, 82, 114, 118, 123, 152, 164, 177, 228, 236, 246, 328, 354, 361, 456, 472, 492, 708, 722, 779, 984, 1083, 1121, 1416, 1444, 1558, 2166, 2242, 2337, 2419, 2888, 3116, 3363, 4332, 4484, 4674, 4838, 6232, 6726, 7257, 8664, 8968, 9348, 9676, 13452, 14514, 14801, 18696, 19352, 21299, 26904, 29028, 29602, 42598, 44403, 45961, 58056, 59204, 63897, 85196, 88806, 91922, 118408, 127794, 137883, 170392, 177612, 183844, 255588, 275766, 355224, 367688, 511176, 551532, 873259, 1103064, 1746518, 2619777, 3493036, 5239554, 6986072, 10479108, 20958216]

約数ペア:

[(1, 20958216), (2, 10479108), (3, 6986072), (4, 5239554), (6, 3493036), (8, 2619777), (12, 1746518), (19, 1103064), (24, 873259), (38, 551532), (41, 511176), (57, 367688), (59, 355224), (76, 275766), (82, 255588), (114, 183844), (118, 177612), (123, 170392), (152, 137883), (164, 127794), (177, 118408), (228, 91922), (236, 88806), (246, 85196), (328, 63897), (354, 59204), (361, 58056), (456, 45961), (472, 44403), (492, 42598), (708, 29602), (722, 29028), (779, 26904), (984, 21299), (1083, 19352), (1121, 18696), (1416, 14801), (1444, 14514), (1558, 13452), (2166, 9676), (2242, 9348), (2337, 8968), (2419, 8664), (2888, 7257), (3116, 6726), (3363, 6232), (4332, 4838), (4484, 4674)]