20433861

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 35303424

約数和(自身を除く): 14869563

約数列:

[1, 3, 7, 9, 21, 47, 63, 67, 103, 141, 201, 309, 329, 423, 469, 603, 721, 927, 987, 1407, 2163, 2961, 3149, 4221, 4841, 6489, 6901, 9447, 14523, 20703, 22043, 28341, 33887, 43569, 48307, 62109, 66129, 101661, 144921, 198387, 304983, 324347, 434763, 973041, 2270429, 2919123, 6811287, 20433861]

約数ペア:

[(1, 20433861), (3, 6811287), (7, 2919123), (9, 2270429), (21, 973041), (47, 434763), (63, 324347), (67, 304983), (103, 198387), (141, 144921), (201, 101661), (309, 66129), (329, 62109), (423, 48307), (469, 43569), (603, 33887), (721, 28341), (927, 22043), (987, 20703), (1407, 14523), (2163, 9447), (2961, 6901), (3149, 6489), (4221, 4841)]