20809914

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 42491904

約数和(自身を除く): 21681990

約数列:

[1, 2, 3, 6, 103, 151, 206, 223, 302, 309, 446, 453, 618, 669, 906, 1338, 15553, 22969, 31106, 33673, 45938, 46659, 67346, 68907, 93318, 101019, 137814, 202038, 3468319, 6936638, 10404957, 20809914]

約数ペア:

[(1, 20809914), (2, 10404957), (3, 6936638), (6, 3468319), (103, 202038), (151, 137814), (206, 101019), (223, 93318), (302, 68907), (309, 67346), (446, 46659), (453, 45938), (618, 33673), (669, 31106), (906, 22969), (1338, 15553)]