20920432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4373}}^1$

素因数の和:4417

約数の個数: 40

約数和(自身を含む): 45559584

約数和(自身を除く): 24639152

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4373, 4784, 8746, 17492, 34984, 56849, 69968, 100579, 113698, 201158, 227396, 402316, 454792, 804632, 909584, 1307527, 1609264, 2615054, 5230108, 10460216, 20920432]

約数ペア:

[(1, 20920432), (2, 10460216), (4, 5230108), (8, 2615054), (13, 1609264), (16, 1307527), (23, 909584), (26, 804632), (46, 454792), (52, 402316), (92, 227396), (104, 201158), (184, 113698), (208, 100579), (299, 69968), (368, 56849), (598, 34984), (1196, 17492), (2392, 8746), (4373, 4784)]