20155367216

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{2909}}^1$

素因数の和:3238

約数の個数: 80

約数和(自身を含む): 41164627200

約数和(自身を除く): 21009259984

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 229, 244, 248, 458, 488, 496, 916, 976, 1832, 1891, 2909, 3664, 3782, 5818, 7099, 7564, 11636, 13969, 14198, 15128, 23272, 27938, 28396, 30256, 46544, 55876, 56792, 90179, 111752, 113584, 177449, 180358, 223504, 354898, 360716, 433039, 666161, 709796, 721432, 866078, 1332322, 1419592, 1442864, 1732156, 2664644, 2839184, 3464312, 5329288, 5500919, 6928624, 10658576, 11001838, 20650991, 22003676, 40635821, 41301982, 44007352, 81271642, 82603964, 88014704, 162543284, 165207928, 325086568, 330415856, 650173136, 1259710451, 2519420902, 5038841804, 10077683608, 20155367216]

約数ペア:

[(1, 20155367216), (2, 10077683608), (4, 5038841804), (8, 2519420902), (16, 1259710451), (31, 650173136), (61, 330415856), (62, 325086568), (122, 165207928), (124, 162543284), (229, 88014704), (244, 82603964), (248, 81271642), (458, 44007352), (488, 41301982), (496, 40635821), (916, 22003676), (976, 20650991), (1832, 11001838), (1891, 10658576), (2909, 6928624), (3664, 5500919), (3782, 5329288), (5818, 3464312), (7099, 2839184), (7564, 2664644), (11636, 1732156), (13969, 1442864), (14198, 1419592), (15128, 1332322), (23272, 866078), (27938, 721432), (28396, 709796), (30256, 666161), (46544, 433039), (55876, 360716), (56792, 354898), (90179, 223504), (111752, 180358), (113584, 177449)]