22065880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12829}}^1$

素因数の和:12883

約数の個数: 32

約数和(自身を含む): 50806800

約数和(自身を除く): 28740920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 12829, 25658, 51316, 64145, 102632, 128290, 256580, 513160, 551647, 1103294, 2206588, 2758235, 4413176, 5516470, 11032940, 22065880]

約数ペア:

[(1, 22065880), (2, 11032940), (4, 5516470), (5, 4413176), (8, 2758235), (10, 2206588), (20, 1103294), (40, 551647), (43, 513160), (86, 256580), (172, 128290), (215, 102632), (344, 64145), (430, 51316), (860, 25658), (1720, 12829)]