20187680245

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 26269064640

約数和(自身を除く): 6081384395

約数列:

[1, 5, 29, 41, 73, 145, 181, 205, 257, 365, 905, 1189, 1285, 2117, 2993, 5249, 5945, 7421, 7453, 10537, 10585, 13213, 14965, 18761, 26245, 37105, 37265, 46517, 52685, 66065, 86797, 93805, 215209, 232585, 305573, 383177, 433985, 541733, 544069, 769201, 1076045, 1348993, 1527865, 1907197, 1915885, 2708665, 2720345, 3395741, 3846005, 6744965, 9535985, 15710257, 16978705, 22306829, 55308713, 78551285, 98476489, 111534145, 139225381, 276543565, 492382445, 696126905, 4037536049, 20187680245]

約数ペア:

[(1, 20187680245), (5, 4037536049), (29, 696126905), (41, 492382445), (73, 276543565), (145, 139225381), (181, 111534145), (205, 98476489), (257, 78551285), (365, 55308713), (905, 22306829), (1189, 16978705), (1285, 15710257), (2117, 9535985), (2993, 6744965), (5249, 3846005), (5945, 3395741), (7421, 2720345), (7453, 2708665), (10537, 1915885), (10585, 1907197), (13213, 1527865), (14965, 1348993), (18761, 1076045), (26245, 769201), (37105, 544069), (37265, 541733), (46517, 433985), (52685, 383177), (66065, 305573), (86797, 232585), (93805, 215209)]