20145476

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1753}}^1$

素因数の和:1800

約数の個数: 36

約数和(自身を含む): 40443732

約数和(自身を除く): 20298256

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 1753, 2873, 3506, 5746, 7012, 11492, 22789, 29801, 45578, 59602, 91156, 119204, 296257, 387413, 592514, 774826, 1185028, 1549652, 5036369, 10072738, 20145476]

約数ペア:

[(1, 20145476), (2, 10072738), (4, 5036369), (13, 1549652), (17, 1185028), (26, 774826), (34, 592514), (52, 387413), (68, 296257), (169, 119204), (221, 91156), (338, 59602), (442, 45578), (676, 29801), (884, 22789), (1753, 11492), (2873, 7012), (3506, 5746)]