20614671

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 37559808

約数和(自身を除く): 16945137

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 151, 197, 231, 453, 591, 693, 1057, 1359, 1379, 1661, 1773, 2167, 3171, 4137, 4983, 6501, 9513, 11627, 12411, 14949, 15169, 19503, 29747, 34881, 45507, 89241, 104643, 136521, 208229, 267723, 327217, 624687, 981651, 1874061, 2290519, 2944953, 6871557, 20614671]

約数ペア:

[(1, 20614671), (3, 6871557), (7, 2944953), (9, 2290519), (11, 1874061), (21, 981651), (33, 624687), (63, 327217), (77, 267723), (99, 208229), (151, 136521), (197, 104643), (231, 89241), (453, 45507), (591, 34881), (693, 29747), (1057, 19503), (1359, 15169), (1379, 14949), (1661, 12411), (1773, 11627), (2167, 9513), (3171, 6501), (4137, 4983)]