20291624

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 39043200

約数和(自身を除く): 18751576

約数列:

[1, 2, 4, 8, 79, 97, 158, 194, 316, 331, 388, 632, 662, 776, 1324, 2648, 7663, 15326, 26149, 30652, 32107, 52298, 61304, 64214, 104596, 128428, 209192, 256856, 2536453, 5072906, 10145812, 20291624]

約数ペア:

[(1, 20291624), (2, 10145812), (4, 5072906), (8, 2536453), (79, 256856), (97, 209192), (158, 128428), (194, 104596), (316, 64214), (331, 61304), (388, 52298), (632, 32107), (662, 30652), (776, 26149), (1324, 15326), (2648, 7663)]