20786330

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{313}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 38998800

約数和(自身を除く): 18212470

約数列:

[1, 2, 5, 10, 29, 58, 145, 229, 290, 313, 458, 626, 1145, 1565, 2290, 3130, 6641, 9077, 13282, 18154, 33205, 45385, 66410, 71677, 90770, 143354, 358385, 716770, 2078633, 4157266, 10393165, 20786330]

約数ペア:

[(1, 20786330), (2, 10393165), (5, 4157266), (10, 2078633), (29, 716770), (58, 358385), (145, 143354), (229, 90770), (290, 71677), (313, 66410), (458, 45385), (626, 33205), (1145, 18154), (1565, 13282), (2290, 9077), (3130, 6641)]