20796611320

素因数分解:

$2^3\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{378671}}^1$

素因数の和:380055

約数の個数: 32

約数和(自身を含む): 46826579520

約数和(自身を除く): 26029968200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1373, 2746, 5492, 6865, 10984, 13730, 27460, 54920, 378671, 757342, 1514684, 1893355, 3029368, 3786710, 7573420, 15146840, 519915283, 1039830566, 2079661132, 2599576415, 4159322264, 5199152830, 10398305660, 20796611320]

約数ペア:

[(1, 20796611320), (2, 10398305660), (4, 5199152830), (5, 4159322264), (8, 2599576415), (10, 2079661132), (20, 1039830566), (40, 519915283), (1373, 15146840), (2746, 7573420), (5492, 3786710), (6865, 3029368), (10984, 1893355), (13730, 1514684), (27460, 757342), (54920, 378671)]