20185748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 40449024

約数和(自身を除く): 20263276

約数列:

[1, 2, 4, 11, 22, 43, 44, 47, 86, 94, 172, 188, 227, 454, 473, 517, 908, 946, 1034, 1892, 2021, 2068, 2497, 4042, 4994, 8084, 9761, 9988, 10669, 19522, 21338, 22231, 39044, 42676, 44462, 88924, 107371, 117359, 214742, 234718, 429484, 458767, 469436, 917534, 1835068, 5046437, 10092874, 20185748]

約数ペア:

[(1, 20185748), (2, 10092874), (4, 5046437), (11, 1835068), (22, 917534), (43, 469436), (44, 458767), (47, 429484), (86, 234718), (94, 214742), (172, 117359), (188, 107371), (227, 88924), (454, 44462), (473, 42676), (517, 39044), (908, 22231), (946, 21338), (1034, 19522), (1892, 10669), (2021, 9988), (2068, 9761), (2497, 8084), (4042, 4994)]