20512894563

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1811}}^1\times {\mathrm{7817}}^1$

素因数の和:9664

約数の個数: 48

約数和(自身を含む): 35358875136

約数和(自身を除く): 14845980573

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 1811, 5433, 7817, 12677, 16299, 23451, 38031, 41653, 54719, 70353, 114093, 124959, 164157, 179791, 291571, 374877, 492471, 539373, 874713, 1258537, 1618119, 2624139, 3775611, 11326833, 14156587, 42469761, 99096109, 127409283, 297288327, 325601501, 891864981, 976804503, 2279210507, 2930413509, 6837631521, 20512894563]

約数ペア:

[(1, 20512894563), (3, 6837631521), (7, 2930413509), (9, 2279210507), (21, 976804503), (23, 891864981), (63, 325601501), (69, 297288327), (161, 127409283), (207, 99096109), (483, 42469761), (1449, 14156587), (1811, 11326833), (5433, 3775611), (7817, 2624139), (12677, 1618119), (16299, 1258537), (23451, 874713), (38031, 539373), (41653, 492471), (54719, 374877), (70353, 291571), (114093, 179791), (124959, 164157)]