20512166530

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2459}}^1\times {\mathrm{15739}}^1$

素因数の和:18258

約数の個数: 32

約数和(自身を含む): 37636228800

約数和(自身を除く): 17124062270

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 2459, 4918, 12295, 15739, 24590, 31478, 78695, 130327, 157390, 260654, 651635, 834167, 1303270, 1668334, 4170835, 8341670, 38702201, 77404402, 193511005, 387022010, 2051216653, 4102433306, 10256083265, 20512166530]

約数ペア:

[(1, 20512166530), (2, 10256083265), (5, 4102433306), (10, 2051216653), (53, 387022010), (106, 193511005), (265, 77404402), (530, 38702201), (2459, 8341670), (4918, 4170835), (12295, 1668334), (15739, 1303270), (24590, 834167), (31478, 651635), (78695, 260654), (130327, 157390)]