20104912856

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{751}}^1\times {\mathrm{2203}}^1$

素因数の和:3005

約数の個数: 96

約数和(自身を含む): 45346682880

約数和(自身を除く): 25241770024

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 751, 868, 1502, 1519, 1736, 2203, 3004, 3038, 4406, 5257, 6008, 6076, 8812, 10514, 12152, 15421, 17624, 21028, 23281, 30842, 36799, 42056, 46562, 61684, 68293, 73598, 93124, 107947, 123368, 136586, 147196, 162967, 186248, 215894, 273172, 294392, 325934, 431788, 478051, 546344, 651868, 863576, 956102, 1140769, 1303736, 1654453, 1912204, 2281538, 3308906, 3346357, 3824408, 4563076, 6617812, 6692714, 9126152, 11581171, 13235624, 13385428, 23162342, 26770856, 46324684, 51288043, 81068197, 92649368, 102576086, 162136394, 205152172, 324272788, 359016301, 410304344, 648545576, 718032602, 1436065204, 2513114107, 2872130408, 5026228214, 10052456428, 20104912856]

約数ペア:

[(1, 20104912856), (2, 10052456428), (4, 5026228214), (7, 2872130408), (8, 2513114107), (14, 1436065204), (28, 718032602), (31, 648545576), (49, 410304344), (56, 359016301), (62, 324272788), (98, 205152172), (124, 162136394), (196, 102576086), (217, 92649368), (248, 81068197), (392, 51288043), (434, 46324684), (751, 26770856), (868, 23162342), (1502, 13385428), (1519, 13235624), (1736, 11581171), (2203, 9126152), (3004, 6692714), (3038, 6617812), (4406, 4563076), (5257, 3824408), (6008, 3346357), (6076, 3308906), (8812, 2281538), (10514, 1912204), (12152, 1654453), (15421, 1303736), (17624, 1140769), (21028, 956102), (23281, 863576), (30842, 651868), (36799, 546344), (42056, 478051), (46562, 431788), (61684, 325934), (68293, 294392), (73598, 273172), (93124, 215894), (107947, 186248), (123368, 162967), (136586, 147196)]