20105192

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{379}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 39900000

約数和(自身を除く): 19794808

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 349, 379, 698, 758, 1396, 1516, 2792, 3032, 6631, 7201, 13262, 14402, 26524, 28804, 53048, 57608, 132271, 264542, 529084, 1058168, 2513149, 5026298, 10052596, 20105192]

約数ペア:

[(1, 20105192), (2, 10052596), (4, 5026298), (8, 2513149), (19, 1058168), (38, 529084), (76, 264542), (152, 132271), (349, 57608), (379, 53048), (698, 28804), (758, 26524), (1396, 14402), (1516, 13262), (2792, 7201), (3032, 6631)]