20109608

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 39052800

約数和(自身を除く): 18943192

約数列:

[1, 2, 4, 8, 47, 79, 94, 158, 188, 316, 376, 632, 677, 1354, 2708, 3713, 5416, 7426, 14852, 29704, 31819, 53483, 63638, 106966, 127276, 213932, 254552, 427864, 2513701, 5027402, 10054804, 20109608]

約数ペア:

[(1, 20109608), (2, 10054804), (4, 5027402), (8, 2513701), (47, 427864), (79, 254552), (94, 213932), (158, 127276), (188, 106966), (316, 63638), (376, 53483), (632, 31819), (677, 29704), (1354, 14852), (2708, 7426), (3713, 5416)]