20460880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23251}}^1$

素因数の和:23275

約数の個数: 40

約数和(自身を含む): 51898464

約数和(自身を除く): 31437584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23251, 46502, 93004, 116255, 186008, 232510, 255761, 372016, 465020, 511522, 930040, 1023044, 1278805, 1860080, 2046088, 2557610, 4092176, 5115220, 10230440, 20460880]

約数ペア:

[(1, 20460880), (2, 10230440), (4, 5115220), (5, 4092176), (8, 2557610), (10, 2046088), (11, 1860080), (16, 1278805), (20, 1023044), (22, 930040), (40, 511522), (44, 465020), (55, 372016), (80, 255761), (88, 232510), (110, 186008), (176, 116255), (220, 93004), (440, 46502), (880, 23251)]