20553250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4327}}^1$

素因数の和:4363

約数の個数: 32

約数和(自身を含む): 40510080

約数和(自身を除く): 19956830

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4327, 4750, 8654, 21635, 43270, 82213, 108175, 164426, 216350, 411065, 540875, 822130, 1081750, 2055325, 4110650, 10276625, 20553250]

約数ペア:

[(1, 20553250), (2, 10276625), (5, 4110650), (10, 2055325), (19, 1081750), (25, 822130), (38, 540875), (50, 411065), (95, 216350), (125, 164426), (190, 108175), (250, 82213), (475, 43270), (950, 21635), (2375, 8654), (4327, 4750)]