20671641

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2699}}^1$

素因数の和:2765

約数の個数: 24

約数和(自身を含む): 32011200

約数和(自身を除く): 11339559

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2553, 2699, 7659, 8097, 24291, 62077, 99863, 186231, 299589, 558693, 898767, 2296849, 6890547, 20671641]

約数ペア:

[(1, 20671641), (3, 6890547), (9, 2296849), (23, 898767), (37, 558693), (69, 299589), (111, 186231), (207, 99863), (333, 62077), (851, 24291), (2553, 8097), (2699, 7659)]