20008666

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 33125760

約数和(自身を除く): 13117094

約数列:

[1, 2, 23, 29, 46, 53, 58, 106, 283, 566, 667, 1219, 1334, 1537, 2438, 3074, 6509, 8207, 13018, 14999, 16414, 29998, 35351, 70702, 188761, 344977, 377522, 434971, 689954, 869942, 10004333, 20008666]

約数ペア:

[(1, 20008666), (2, 10004333), (23, 869942), (29, 689954), (46, 434971), (53, 377522), (58, 344977), (106, 188761), (283, 70702), (566, 35351), (667, 29998), (1219, 16414), (1334, 14999), (1537, 13018), (2438, 8207), (3074, 6509)]