20493288

素因数分解:

$2^3\times 3^2\times {\mathrm{379}}^1\times {\mathrm{751}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 55723200

約数和(自身を除く): 35229912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 379, 751, 758, 1137, 1502, 1516, 2253, 2274, 3004, 3032, 3411, 4506, 4548, 6008, 6759, 6822, 9012, 9096, 13518, 13644, 18024, 27036, 27288, 54072, 284629, 569258, 853887, 1138516, 1707774, 2277032, 2561661, 3415548, 5123322, 6831096, 10246644, 20493288]

約数ペア:

[(1, 20493288), (2, 10246644), (3, 6831096), (4, 5123322), (6, 3415548), (8, 2561661), (9, 2277032), (12, 1707774), (18, 1138516), (24, 853887), (36, 569258), (72, 284629), (379, 54072), (751, 27288), (758, 27036), (1137, 18024), (1502, 13644), (1516, 13518), (2253, 9096), (2274, 9012), (3004, 6822), (3032, 6759), (3411, 6008), (4506, 4548)]