20344440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8923}}^1$

素因数の和:8956

約数の個数: 64

約数和(自身を含む): 64252800

約数和(自身を除く): 43908360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 8923, 17846, 26769, 35692, 44615, 53538, 71384, 89230, 107076, 133845, 169537, 178460, 214152, 267690, 339074, 356920, 508611, 535380, 678148, 847685, 1017222, 1070760, 1356296, 1695370, 2034444, 2543055, 3390740, 4068888, 5086110, 6781480, 10172220, 20344440]

約数ペア:

[(1, 20344440), (2, 10172220), (3, 6781480), (4, 5086110), (5, 4068888), (6, 3390740), (8, 2543055), (10, 2034444), (12, 1695370), (15, 1356296), (19, 1070760), (20, 1017222), (24, 847685), (30, 678148), (38, 535380), (40, 508611), (57, 356920), (60, 339074), (76, 267690), (95, 214152), (114, 178460), (120, 169537), (152, 133845), (190, 107076), (228, 89230), (285, 71384), (380, 53538), (456, 44615), (570, 35692), (760, 26769), (1140, 17846), (2280, 8923)]