20104616

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 45818880

約数和(自身を除く): 25714264

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 56, 62, 74, 124, 148, 217, 248, 259, 296, 313, 434, 518, 626, 868, 1036, 1147, 1252, 1736, 2072, 2191, 2294, 2504, 4382, 4588, 8029, 8764, 9176, 9703, 11581, 16058, 17528, 19406, 23162, 32116, 38812, 46324, 64232, 67921, 77624, 81067, 92648, 135842, 162134, 271684, 324268, 359011, 543368, 648536, 718022, 1436044, 2513077, 2872088, 5026154, 10052308, 20104616]

約数ペア:

[(1, 20104616), (2, 10052308), (4, 5026154), (7, 2872088), (8, 2513077), (14, 1436044), (28, 718022), (31, 648536), (37, 543368), (56, 359011), (62, 324268), (74, 271684), (124, 162134), (148, 135842), (217, 92648), (248, 81067), (259, 77624), (296, 67921), (313, 64232), (434, 46324), (518, 38812), (626, 32116), (868, 23162), (1036, 19406), (1147, 17528), (1252, 16058), (1736, 11581), (2072, 9703), (2191, 9176), (2294, 8764), (2504, 8029), (4382, 4588)]