20199062992

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{542053}}^1$

素因数の和:542215

約数の個数: 40

約数和(自身を含む): 41740326216

約数和(自身を除く): 21541263224

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 137, 272, 274, 548, 1096, 2192, 2329, 4658, 9316, 18632, 37264, 542053, 1084106, 2168212, 4336424, 8672848, 9214901, 18429802, 36859604, 73719208, 74261261, 147438416, 148522522, 297045044, 594090088, 1188180176, 1262441437, 2524882874, 5049765748, 10099531496, 20199062992]

約数ペア:

[(1, 20199062992), (2, 10099531496), (4, 5049765748), (8, 2524882874), (16, 1262441437), (17, 1188180176), (34, 594090088), (68, 297045044), (136, 148522522), (137, 147438416), (272, 74261261), (274, 73719208), (548, 36859604), (1096, 18429802), (2192, 9214901), (2329, 8672848), (4658, 4336424), (9316, 2168212), (18632, 1084106), (37264, 542053)]