20090149058

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{42611}}^1$

素因数の和:42927

約数の個数: 48

約数和(自身を含む): 37249365024

約数和(自身を除く): 17159215966

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 283, 566, 833, 1666, 1981, 3962, 4811, 9622, 13867, 27734, 33677, 42611, 67354, 85222, 235739, 298277, 471478, 596554, 724387, 1448774, 2087939, 4175878, 5070709, 10141418, 12058913, 24117826, 35494963, 70989926, 84412391, 168824782, 205001521, 410003042, 590886737, 1181773474, 1435010647, 2870021294, 10045074529, 20090149058]

約数ペア:

[(1, 20090149058), (2, 10045074529), (7, 2870021294), (14, 1435010647), (17, 1181773474), (34, 590886737), (49, 410003042), (98, 205001521), (119, 168824782), (238, 84412391), (283, 70989926), (566, 35494963), (833, 24117826), (1666, 12058913), (1981, 10141418), (3962, 5070709), (4811, 4175878), (9622, 2087939), (13867, 1448774), (27734, 724387), (33677, 596554), (42611, 471478), (67354, 298277), (85222, 235739)]