20628110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{719}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 18770290

約数列:

[1, 2, 5, 10, 19, 38, 95, 151, 190, 302, 719, 755, 1438, 1510, 2869, 3595, 5738, 7190, 13661, 14345, 27322, 28690, 68305, 108569, 136610, 217138, 542845, 1085690, 2062811, 4125622, 10314055, 20628110]

約数ペア:

[(1, 20628110), (2, 10314055), (5, 4125622), (10, 2062811), (19, 1085690), (38, 542845), (95, 217138), (151, 136610), (190, 108569), (302, 68305), (719, 28690), (755, 27322), (1438, 14345), (1510, 13661), (2869, 7190), (3595, 5738)]