20739968215

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1\times {\mathrm{2063}}^1$

素因数の和:2823

約数の個数: 32

約数和(自身を含む): 25839959040

約数和(自身を除く): 5099990825

約数列:

[1, 5, 53, 59, 265, 295, 643, 2063, 3127, 3215, 10315, 15635, 34079, 37937, 109339, 121717, 170395, 189685, 546695, 608585, 1326509, 2010661, 6451001, 6632545, 10053305, 32255005, 70304977, 78264031, 351524885, 391320155, 4147993643, 20739968215]

約数ペア:

[(1, 20739968215), (5, 4147993643), (53, 391320155), (59, 351524885), (265, 78264031), (295, 70304977), (643, 32255005), (2063, 10053305), (3127, 6632545), (3215, 6451001), (10315, 2010661), (15635, 1326509), (34079, 608585), (37937, 546695), (109339, 189685), (121717, 170395)]