20832752

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{401}}^1$

素因数の和:617

約数の個数: 40

約数和(自身を含む): 43068672

約数和(自身を除く): 22235920

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 191, 272, 382, 401, 764, 802, 1528, 1604, 3056, 3208, 3247, 6416, 6494, 6817, 12988, 13634, 25976, 27268, 51952, 54536, 76591, 109072, 153182, 306364, 612728, 1225456, 1302047, 2604094, 5208188, 10416376, 20832752]

約数ペア:

[(1, 20832752), (2, 10416376), (4, 5208188), (8, 2604094), (16, 1302047), (17, 1225456), (34, 612728), (68, 306364), (136, 153182), (191, 109072), (272, 76591), (382, 54536), (401, 51952), (764, 27268), (802, 25976), (1528, 13634), (1604, 12988), (3056, 6817), (3208, 6494), (3247, 6416)]