20803519715

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{219019}}^1$

素因数の和:219203

約数の個数: 24

約数和(自身を含む): 27614917680

約数和(自身を除く): 6811397965

約数列:

[1, 5, 11, 55, 121, 157, 605, 785, 1727, 8635, 18997, 94985, 219019, 1095095, 2409209, 12046045, 26501299, 34385983, 132506495, 171929915, 378245813, 1891229065, 4160703943, 20803519715]

約数ペア:

[(1, 20803519715), (5, 4160703943), (11, 1891229065), (55, 378245813), (121, 171929915), (157, 132506495), (605, 34385983), (785, 26501299), (1727, 12046045), (8635, 2409209), (18997, 1095095), (94985, 219019)]