20918676

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 51383808

約数和(自身を除く): 30465132

約数列:

[1, 2, 3, 4, 6, 12, 31, 53, 62, 93, 106, 124, 159, 186, 212, 318, 372, 636, 1061, 1643, 2122, 3183, 3286, 4244, 4929, 6366, 6572, 9858, 12732, 19716, 32891, 56233, 65782, 98673, 112466, 131564, 168699, 197346, 224932, 337398, 394692, 674796, 1743223, 3486446, 5229669, 6972892, 10459338, 20918676]

約数ペア:

[(1, 20918676), (2, 10459338), (3, 6972892), (4, 5229669), (6, 3486446), (12, 1743223), (31, 674796), (53, 394692), (62, 337398), (93, 224932), (106, 197346), (124, 168699), (159, 131564), (186, 112466), (212, 98673), (318, 65782), (372, 56233), (636, 32891), (1061, 19716), (1643, 12732), (2122, 9858), (3183, 6572), (3286, 6366), (4244, 4929)]