20008064

素因数分解:

$2^7\times {\mathrm{19}}^2\times {\mathrm{433}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 42165270

約数和(自身を除く): 22157206

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 361, 433, 608, 722, 866, 1216, 1444, 1732, 2432, 2888, 3464, 5776, 6928, 8227, 11552, 13856, 16454, 23104, 27712, 32908, 46208, 55424, 65816, 131632, 156313, 263264, 312626, 526528, 625252, 1053056, 1250504, 2501008, 5002016, 10004032, 20008064]

約数ペア:

[(1, 20008064), (2, 10004032), (4, 5002016), (8, 2501008), (16, 1250504), (19, 1053056), (32, 625252), (38, 526528), (64, 312626), (76, 263264), (128, 156313), (152, 131632), (304, 65816), (361, 55424), (433, 46208), (608, 32908), (722, 27712), (866, 23104), (1216, 16454), (1444, 13856), (1732, 11552), (2432, 8227), (2888, 6928), (3464, 5776)]