20160979405

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{1697}}^1$

素因数の和:2254

約数の個数: 64

約数和(自身を含む): 30069107712

約数和(自身を除く): 9908128307

約数列:

[1, 5, 7, 17, 35, 41, 85, 119, 205, 287, 487, 595, 697, 1435, 1697, 2435, 3409, 3485, 4879, 8279, 8485, 11879, 17045, 19967, 24395, 28849, 41395, 57953, 59395, 69577, 99835, 139769, 144245, 201943, 289765, 339439, 347885, 487039, 698845, 826439, 1009715, 1182809, 1697195, 2376073, 2435195, 4132195, 5785073, 5914045, 8279663, 11880365, 14049463, 28925365, 33883999, 41398315, 70247315, 98346241, 169419995, 237187993, 491731205, 576027983, 1185939965, 2880139915, 4032195881, 20160979405]

約数ペア:

[(1, 20160979405), (5, 4032195881), (7, 2880139915), (17, 1185939965), (35, 576027983), (41, 491731205), (85, 237187993), (119, 169419995), (205, 98346241), (287, 70247315), (487, 41398315), (595, 33883999), (697, 28925365), (1435, 14049463), (1697, 11880365), (2435, 8279663), (3409, 5914045), (3485, 5785073), (4879, 4132195), (8279, 2435195), (8485, 2376073), (11879, 1697195), (17045, 1182809), (19967, 1009715), (24395, 826439), (28849, 698845), (41395, 487039), (57953, 347885), (59395, 339439), (69577, 289765), (99835, 201943), (139769, 144245)]