20197980195

素因数分解:

$3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{677}}^1\times {\mathrm{3803}}^1$

素因数の和:5011

約数の個数: 32

約数和(自身を含む): 32434912512

約数和(自身を除く): 12236932317

約数列:

[1, 3, 5, 15, 523, 677, 1569, 2031, 2615, 3385, 3803, 7845, 10155, 11409, 19015, 57045, 354071, 1062213, 1770355, 1988969, 2574631, 5311065, 5966907, 7723893, 9944845, 12873155, 29834535, 38619465, 1346532013, 4039596039, 6732660065, 20197980195]

約数ペア:

[(1, 20197980195), (3, 6732660065), (5, 4039596039), (15, 1346532013), (523, 38619465), (677, 29834535), (1569, 12873155), (2031, 9944845), (2615, 7723893), (3385, 5966907), (3803, 5311065), (7845, 2574631), (10155, 1988969), (11409, 1770355), (19015, 1062213), (57045, 354071)]