20771750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4373}}^1$

素因数の和:4409

約数の個数: 32

約数和(自身を含む): 40940640

約数和(自身を除く): 20168890

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4373, 4750, 8746, 21865, 43730, 83087, 109325, 166174, 218650, 415435, 546625, 830870, 1093250, 2077175, 4154350, 10385875, 20771750]

約数ペア:

[(1, 20771750), (2, 10385875), (5, 4154350), (10, 2077175), (19, 1093250), (25, 830870), (38, 546625), (50, 415435), (95, 218650), (125, 166174), (190, 109325), (250, 83087), (475, 43730), (950, 21865), (2375, 8746), (4373, 4750)]