20539570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6359}}^1$

素因数の和:6402

約数の個数: 32

約数和(自身を含む): 41212800

約数和(自身を除く): 20673230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6359, 12718, 31795, 63590, 108103, 120821, 216206, 241642, 540515, 604105, 1081030, 1208210, 2053957, 4107914, 10269785, 20539570]

約数ペア:

[(1, 20539570), (2, 10269785), (5, 4107914), (10, 2053957), (17, 1208210), (19, 1081030), (34, 604105), (38, 540515), (85, 241642), (95, 216206), (170, 120821), (190, 108103), (323, 63590), (646, 31795), (1615, 12718), (3230, 6359)]