22097020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 53357472

約数和(自身を除く): 31260452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 397, 460, 484, 506, 605, 794, 1012, 1210, 1265, 1588, 1985, 2420, 2530, 2783, 3970, 4367, 5060, 5566, 7940, 8734, 9131, 11132, 13915, 17468, 18262, 21835, 27830, 36524, 43670, 45655, 48037, 55660, 87340, 91310, 96074, 100441, 182620, 192148, 200882, 240185, 401764, 480370, 502205, 960740, 1004410, 1104851, 2008820, 2209702, 4419404, 5524255, 11048510, 22097020]

約数ペア:

[(1, 22097020), (2, 11048510), (4, 5524255), (5, 4419404), (10, 2209702), (11, 2008820), (20, 1104851), (22, 1004410), (23, 960740), (44, 502205), (46, 480370), (55, 401764), (92, 240185), (110, 200882), (115, 192148), (121, 182620), (220, 100441), (230, 96074), (242, 91310), (253, 87340), (397, 55660), (460, 48037), (484, 45655), (506, 43670), (605, 36524), (794, 27830), (1012, 21835), (1210, 18262), (1265, 17468), (1588, 13915), (1985, 11132), (2420, 9131), (2530, 8734), (2783, 7940), (3970, 5566), (4367, 5060)]