20681078

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 36207648

約数和(自身を除く): 15526570

約数列:

[1, 2, 11, 17, 22, 34, 121, 187, 242, 374, 457, 914, 1331, 2057, 2662, 4114, 5027, 7769, 10054, 15538, 22627, 45254, 55297, 85459, 110594, 170918, 608267, 940049, 1216534, 1880098, 10340539, 20681078]

約数ペア:

[(1, 20681078), (2, 10340539), (11, 1880098), (17, 1216534), (22, 940049), (34, 608267), (121, 170918), (187, 110594), (242, 85459), (374, 55297), (457, 45254), (914, 22627), (1331, 15538), (2057, 10054), (2662, 7769), (4114, 5027)]