20383818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1071

約数の個数: 64

約数和(自身を含む): 51582720

約数和(自身を除く): 31198902

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 37, 39, 42, 74, 78, 91, 111, 182, 222, 259, 273, 481, 518, 546, 777, 962, 1009, 1443, 1554, 2018, 2886, 3027, 3367, 6054, 6734, 7063, 10101, 13117, 14126, 20202, 21189, 26234, 37333, 39351, 42378, 74666, 78702, 91819, 111999, 183638, 223998, 261331, 275457, 485329, 522662, 550914, 783993, 970658, 1455987, 1567986, 2911974, 3397303, 6794606, 10191909, 20383818]

約数ペア:

[(1, 20383818), (2, 10191909), (3, 6794606), (6, 3397303), (7, 2911974), (13, 1567986), (14, 1455987), (21, 970658), (26, 783993), (37, 550914), (39, 522662), (42, 485329), (74, 275457), (78, 261331), (91, 223998), (111, 183638), (182, 111999), (222, 91819), (259, 78702), (273, 74666), (481, 42378), (518, 39351), (546, 37333), (777, 26234), (962, 21189), (1009, 20202), (1443, 14126), (1554, 13117), (2018, 10101), (2886, 7063), (3027, 6734), (3367, 6054)]