20545316

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 42057792

約数和(自身を除く): 21512476

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 227, 242, 374, 454, 484, 748, 908, 1331, 2057, 2497, 2662, 3859, 4114, 4994, 5324, 7718, 8228, 9988, 15436, 22627, 27467, 42449, 45254, 54934, 84898, 90508, 109868, 169796, 302137, 466939, 604274, 933878, 1208548, 1867756, 5136329, 10272658, 20545316]

約数ペア:

[(1, 20545316), (2, 10272658), (4, 5136329), (11, 1867756), (17, 1208548), (22, 933878), (34, 604274), (44, 466939), (68, 302137), (121, 169796), (187, 109868), (227, 90508), (242, 84898), (374, 54934), (454, 45254), (484, 42449), (748, 27467), (908, 22627), (1331, 15436), (2057, 9988), (2497, 8228), (2662, 7718), (3859, 5324), (4114, 4994)]