20461530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{811}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 50922144

約数和(自身を除く): 30460614

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 811, 841, 870, 1622, 1682, 2433, 2523, 4055, 4205, 4866, 5046, 8110, 8410, 12165, 12615, 23519, 24330, 25230, 47038, 70557, 117595, 141114, 235190, 352785, 682051, 705570, 1364102, 2046153, 3410255, 4092306, 6820510, 10230765, 20461530]

約数ペア:

[(1, 20461530), (2, 10230765), (3, 6820510), (5, 4092306), (6, 3410255), (10, 2046153), (15, 1364102), (29, 705570), (30, 682051), (58, 352785), (87, 235190), (145, 141114), (174, 117595), (290, 70557), (435, 47038), (811, 25230), (841, 24330), (870, 23519), (1622, 12615), (1682, 12165), (2433, 8410), (2523, 8110), (4055, 5046), (4205, 4866)]