20506330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{677}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 39980304

約数和(自身を除く): 19473974

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 233, 466, 677, 1165, 1354, 2330, 3029, 3385, 6058, 6770, 8801, 15145, 17602, 30290, 44005, 88010, 157741, 315482, 788705, 1577410, 2050633, 4101266, 10253165, 20506330]

約数ペア:

[(1, 20506330), (2, 10253165), (5, 4101266), (10, 2050633), (13, 1577410), (26, 788705), (65, 315482), (130, 157741), (233, 88010), (466, 44005), (677, 30290), (1165, 17602), (1354, 15145), (2330, 8801), (3029, 6770), (3385, 6058)]