20459390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15383}}^1$

素因数の和:15416

約数の個数: 32

約数和(自身を含む): 44305920

約数和(自身を除く): 23846530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15383, 30766, 76915, 107681, 153830, 215362, 292277, 538405, 584554, 1076810, 1461385, 2045939, 2922770, 4091878, 10229695, 20459390]

約数ペア:

[(1, 20459390), (2, 10229695), (5, 4091878), (7, 2922770), (10, 2045939), (14, 1461385), (19, 1076810), (35, 584554), (38, 538405), (70, 292277), (95, 215362), (133, 153830), (190, 107681), (266, 76915), (665, 30766), (1330, 15383)]