20199494410

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4987}}^1\times {\mathrm{13967}}^1$

素因数の和:18990

約数の個数: 32

約数和(自身を含む): 37623087360

約数和(自身を除く): 17423592950

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 4987, 9974, 13967, 24935, 27934, 49870, 69835, 139670, 144623, 289246, 405043, 723115, 810086, 1446230, 2025215, 4050430, 69653429, 139306858, 348267145, 696534290, 2019949441, 4039898882, 10099747205, 20199494410]

約数ペア:

[(1, 20199494410), (2, 10099747205), (5, 4039898882), (10, 2019949441), (29, 696534290), (58, 348267145), (145, 139306858), (290, 69653429), (4987, 4050430), (9974, 2025215), (13967, 1446230), (24935, 810086), (27934, 723115), (49870, 405043), (69835, 289246), (139670, 144623)]