20421036676

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1\times {\mathrm{7741}}^1$

素因数の和:8204

約数の個数: 48

約数和(自身を含む): 38100549760

約数和(自身を除く): 17679513084

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 337, 412, 674, 1348, 1957, 3914, 6403, 7741, 7828, 12806, 15482, 25612, 30964, 34711, 69422, 138844, 147079, 294158, 588316, 659509, 797323, 1319018, 1594646, 2608717, 2638036, 3189292, 5217434, 10434868, 15149137, 30298274, 49565623, 60596548, 99131246, 198262492, 268697851, 537395702, 1074791404, 5105259169, 10210518338, 20421036676]

約数ペア:

[(1, 20421036676), (2, 10210518338), (4, 5105259169), (19, 1074791404), (38, 537395702), (76, 268697851), (103, 198262492), (206, 99131246), (337, 60596548), (412, 49565623), (674, 30298274), (1348, 15149137), (1957, 10434868), (3914, 5217434), (6403, 3189292), (7741, 2638036), (7828, 2608717), (12806, 1594646), (15482, 1319018), (25612, 797323), (30964, 659509), (34711, 588316), (69422, 294158), (138844, 147079)]