20593625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:99

約数の個数: 64

約数和(自身を含む): 31449600

約数和(自身を除く): 10855975

約数列:

[1, 5, 13, 19, 23, 25, 29, 65, 95, 115, 125, 145, 247, 299, 325, 377, 437, 475, 551, 575, 667, 725, 1235, 1495, 1625, 1885, 2185, 2375, 2755, 2875, 3335, 3625, 5681, 6175, 7163, 7475, 8671, 9425, 10925, 12673, 13775, 16675, 28405, 30875, 35815, 37375, 43355, 47125, 54625, 63365, 68875, 83375, 142025, 164749, 179075, 216775, 316825, 710125, 823745, 895375, 1083875, 1584125, 4118725, 20593625]

約数ペア:

[(1, 20593625), (5, 4118725), (13, 1584125), (19, 1083875), (23, 895375), (25, 823745), (29, 710125), (65, 316825), (95, 216775), (115, 179075), (125, 164749), (145, 142025), (247, 83375), (299, 68875), (325, 63365), (377, 54625), (437, 47125), (475, 43355), (551, 37375), (575, 35815), (667, 30875), (725, 28405), (1235, 16675), (1495, 13775), (1625, 12673), (1885, 10925), (2185, 9425), (2375, 8671), (2755, 7475), (2875, 7163), (3335, 6175), (3625, 5681)]