20203810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3011}}^1$

素因数の和:3090

約数の個数: 32

約数和(自身を含む): 40336704

約数和(自身を除く): 20132894

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3011, 3355, 6022, 6710, 15055, 30110, 33121, 66242, 165605, 183671, 331210, 367342, 918355, 1836710, 2020381, 4040762, 10101905, 20203810]

約数ペア:

[(1, 20203810), (2, 10101905), (5, 4040762), (10, 2020381), (11, 1836710), (22, 918355), (55, 367342), (61, 331210), (110, 183671), (122, 165605), (305, 66242), (610, 33121), (671, 30110), (1342, 15055), (3011, 6710), (3355, 6022)]