20594475

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 41260752

約数和(自身を除く): 20666277

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 53, 55, 75, 99, 157, 159, 165, 225, 265, 275, 471, 477, 495, 583, 785, 795, 825, 1325, 1413, 1727, 1749, 2355, 2385, 2475, 2915, 3925, 3975, 5181, 5247, 7065, 8321, 8635, 8745, 11775, 11925, 14575, 15543, 24963, 25905, 26235, 35325, 41605, 43175, 43725, 74889, 77715, 91531, 124815, 129525, 131175, 208025, 274593, 374445, 388575, 457655, 624075, 823779, 1372965, 1872225, 2288275, 4118895, 6864825, 20594475]

約数ペア:

[(1, 20594475), (3, 6864825), (5, 4118895), (9, 2288275), (11, 1872225), (15, 1372965), (25, 823779), (33, 624075), (45, 457655), (53, 388575), (55, 374445), (75, 274593), (99, 208025), (157, 131175), (159, 129525), (165, 124815), (225, 91531), (265, 77715), (275, 74889), (471, 43725), (477, 43175), (495, 41605), (583, 35325), (785, 26235), (795, 25905), (825, 24963), (1325, 15543), (1413, 14575), (1727, 11925), (1749, 11775), (2355, 8745), (2385, 8635), (2475, 8321), (2915, 7065), (3925, 5247), (3975, 5181)]