20214975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 36961920

約数和(自身を除く): 16746945

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 107, 165, 229, 275, 321, 535, 687, 825, 1145, 1177, 1605, 2519, 2675, 3435, 3531, 5725, 5885, 7557, 8025, 12595, 17175, 17655, 24503, 29425, 37785, 62975, 73509, 88275, 122515, 188925, 269533, 367545, 612575, 808599, 1347665, 1837725, 4042995, 6738325, 20214975]

約数ペア:

[(1, 20214975), (3, 6738325), (5, 4042995), (11, 1837725), (15, 1347665), (25, 808599), (33, 612575), (55, 367545), (75, 269533), (107, 188925), (165, 122515), (229, 88275), (275, 73509), (321, 62975), (535, 37785), (687, 29425), (825, 24503), (1145, 17655), (1177, 17175), (1605, 12595), (2519, 8025), (2675, 7557), (3435, 5885), (3531, 5725)]