20176354408

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1543}}^1\times {\mathrm{2267}}^1$

素因数の和:3926

約数の個数: 64

約数和(自身を含む): 43702364160

約数和(自身を除く): 23526009752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 1543, 2267, 2884, 3086, 4534, 5768, 6172, 9068, 10801, 12344, 15869, 18136, 21602, 31738, 43204, 63476, 86408, 126952, 158929, 233501, 317858, 467002, 635716, 934004, 1112503, 1271432, 1634507, 1868008, 2225006, 3269014, 3497981, 4450012, 6538028, 6995962, 8900024, 13076056, 13991924, 24485867, 27983848, 48971734, 97943468, 195886936, 360292043, 720584086, 1441168172, 2522044301, 2882336344, 5044088602, 10088177204, 20176354408]

約数ペア:

[(1, 20176354408), (2, 10088177204), (4, 5044088602), (7, 2882336344), (8, 2522044301), (14, 1441168172), (28, 720584086), (56, 360292043), (103, 195886936), (206, 97943468), (412, 48971734), (721, 27983848), (824, 24485867), (1442, 13991924), (1543, 13076056), (2267, 8900024), (2884, 6995962), (3086, 6538028), (4534, 4450012), (5768, 3497981), (6172, 3269014), (9068, 2225006), (10801, 1868008), (12344, 1634507), (15869, 1271432), (18136, 1112503), (21602, 934004), (31738, 635716), (43204, 467002), (63476, 317858), (86408, 233501), (126952, 158929)]