20227845

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2851}}^1$

素因数の和:2913

約数の個数: 32

約数和(自身を含む): 36140544

約数和(自身を除く): 15912699

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 2851, 7095, 8553, 14255, 31361, 42765, 94083, 122593, 156805, 367779, 470415, 612965, 1348523, 1838895, 4045569, 6742615, 20227845]

約数ペア:

[(1, 20227845), (3, 6742615), (5, 4045569), (11, 1838895), (15, 1348523), (33, 612965), (43, 470415), (55, 367779), (129, 156805), (165, 122593), (215, 94083), (473, 42765), (645, 31361), (1419, 14255), (2365, 8553), (2851, 7095)]