20796625970

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{1951}}^1$

素因数の和:2271

約数の個数: 64

約数和(自身を含む): 38587760640

約数和(自身を除く): 17791134670

約数列:

[1, 2, 5, 10, 79, 103, 131, 158, 206, 262, 395, 515, 655, 790, 1030, 1310, 1951, 3902, 8137, 9755, 10349, 13493, 16274, 19510, 20698, 26986, 40685, 51745, 67465, 81370, 103490, 134930, 154129, 200953, 255581, 308258, 401906, 511162, 770645, 1004765, 1065947, 1277905, 1541290, 2009530, 2131894, 2555810, 5329735, 10659470, 15875287, 20190899, 26324843, 31750574, 40381798, 52649686, 79376435, 100954495, 131624215, 158752870, 201908990, 263248430, 2079662597, 4159325194, 10398312985, 20796625970]

約数ペア:

[(1, 20796625970), (2, 10398312985), (5, 4159325194), (10, 2079662597), (79, 263248430), (103, 201908990), (131, 158752870), (158, 131624215), (206, 100954495), (262, 79376435), (395, 52649686), (515, 40381798), (655, 31750574), (790, 26324843), (1030, 20190899), (1310, 15875287), (1951, 10659470), (3902, 5329735), (8137, 2555810), (9755, 2131894), (10349, 2009530), (13493, 1541290), (16274, 1277905), (19510, 1065947), (20698, 1004765), (26986, 770645), (40685, 511162), (51745, 401906), (67465, 308258), (81370, 255581), (103490, 200953), (134930, 154129)]