920020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 1950984

約数和(自身を除く): 1030964

約数列:

[1, 2, 4, 5, 10, 20, 157, 293, 314, 586, 628, 785, 1172, 1465, 1570, 2930, 3140, 5860, 46001, 92002, 184004, 230005, 460010, 920020]

約数ペア:

[(1, 920020), (2, 460010), (4, 230005), (5, 184004), (10, 92002), (20, 46001), (157, 5860), (293, 3140), (314, 2930), (586, 1570), (628, 1465), (785, 1172)]