20298510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13267}}^1$

素因数の和:13297

約数の個数: 48

約数和(自身を含む): 55884816

約数和(自身を除く): 35586306

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, 13267, 26534, 39801, 66335, 79602, 119403, 132670, 199005, 225539, 238806, 398010, 451078, 597015, 676617, 1127695, 1194030, 1353234, 2029851, 2255390, 3383085, 4059702, 6766170, 10149255, 20298510]

約数ペア:

[(1, 20298510), (2, 10149255), (3, 6766170), (5, 4059702), (6, 3383085), (9, 2255390), (10, 2029851), (15, 1353234), (17, 1194030), (18, 1127695), (30, 676617), (34, 597015), (45, 451078), (51, 398010), (85, 238806), (90, 225539), (102, 199005), (153, 132670), (170, 119403), (255, 79602), (306, 66335), (510, 39801), (765, 26534), (1530, 13267)]