20223220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2801}}^1$

素因数の和:2848

約数の個数: 36

約数和(自身を含む): 44837604

約数和(自身を除く): 24614384

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2801, 3610, 5602, 7220, 11204, 14005, 28010, 53219, 56020, 106438, 212876, 266095, 532190, 1011161, 1064380, 2022322, 4044644, 5055805, 10111610, 20223220]

約数ペア:

[(1, 20223220), (2, 10111610), (4, 5055805), (5, 4044644), (10, 2022322), (19, 1064380), (20, 1011161), (38, 532190), (76, 266095), (95, 212876), (190, 106438), (361, 56020), (380, 53219), (722, 28010), (1444, 14005), (1805, 11204), (2801, 7220), (3610, 5602)]