20027696

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1319}}^1$

素因数の和:1413

約数の個数: 40

約数和(自身を含む): 42393120

約数和(自身を除く): 22365424

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1319, 1898, 2638, 3796, 5276, 7592, 10552, 15184, 17147, 21104, 34294, 68588, 96287, 137176, 192574, 274352, 385148, 770296, 1251731, 1540592, 2503462, 5006924, 10013848, 20027696]

約数ペア:

[(1, 20027696), (2, 10013848), (4, 5006924), (8, 2503462), (13, 1540592), (16, 1251731), (26, 770296), (52, 385148), (73, 274352), (104, 192574), (146, 137176), (208, 96287), (292, 68588), (584, 34294), (949, 21104), (1168, 17147), (1319, 15184), (1898, 10552), (2638, 7592), (3796, 5276)]