20512093252

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{7253}}^1$

素因数の和:7625

約数の個数: 72

約数和(自身を含む): 42790011264

約数和(自身を除く): 22277918012

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 307, 329, 614, 658, 1228, 1316, 2149, 2303, 4298, 4606, 7253, 8596, 9212, 14429, 14506, 15043, 28858, 29012, 30086, 50771, 57716, 60172, 101003, 101542, 202006, 203084, 340891, 355397, 404012, 681782, 707021, 710794, 1363564, 1414042, 1421588, 2226671, 2386237, 2828084, 4453342, 4772474, 8906684, 9544948, 15586697, 16703659, 31173394, 33407318, 62346788, 66814636, 104653537, 109106879, 209307074, 218213758, 418614148, 436427516, 732574759, 1465149518, 2930299036, 5128023313, 10256046626, 20512093252]

約数ペア:

[(1, 20512093252), (2, 10256046626), (4, 5128023313), (7, 2930299036), (14, 1465149518), (28, 732574759), (47, 436427516), (49, 418614148), (94, 218213758), (98, 209307074), (188, 109106879), (196, 104653537), (307, 66814636), (329, 62346788), (614, 33407318), (658, 31173394), (1228, 16703659), (1316, 15586697), (2149, 9544948), (2303, 8906684), (4298, 4772474), (4606, 4453342), (7253, 2828084), (8596, 2386237), (9212, 2226671), (14429, 1421588), (14506, 1414042), (15043, 1363564), (28858, 710794), (29012, 707021), (30086, 681782), (50771, 404012), (57716, 355397), (60172, 340891), (101003, 203084), (101542, 202006)]