20674890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13513}}^1$

素因数の和:13543

約数の個数: 48

約数和(自身を含む): 56920968

約数和(自身を除く): 36246078

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13513, 27026, 40539, 67565, 81078, 121617, 135130, 202695, 229721, 243234, 405390, 459442, 608085, 689163, 1148605, 1216170, 1378326, 2067489, 2297210, 3445815, 4134978, 6891630, 10337445, 20674890]

約数ペア:

[(1, 20674890), (2, 10337445), (3, 6891630), (5, 4134978), (6, 3445815), (9, 2297210), (10, 2067489), (15, 1378326), (17, 1216170), (18, 1148605), (30, 689163), (34, 608085), (45, 459442), (51, 405390), (85, 243234), (90, 229721), (102, 202695), (153, 135130), (170, 121617), (255, 81078), (306, 67565), (510, 40539), (765, 27026), (1530, 13513)]