20394866

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 34499520

約数和(自身を除く): 14104654

約数列:

[1, 2, 17, 19, 34, 38, 131, 241, 262, 323, 482, 646, 2227, 2489, 4097, 4454, 4579, 4978, 8194, 9158, 31571, 42313, 63142, 77843, 84626, 155686, 536707, 599849, 1073414, 1199698, 10197433, 20394866]

約数ペア:

[(1, 20394866), (2, 10197433), (17, 1199698), (19, 1073414), (34, 599849), (38, 536707), (131, 155686), (241, 84626), (262, 77843), (323, 63142), (482, 42313), (646, 31571), (2227, 9158), (2489, 8194), (4097, 4978), (4454, 4579)]