20018070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 53844480

約数和(自身を除く): 33826410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 151, 270, 302, 453, 491, 755, 906, 982, 1359, 1473, 1510, 2265, 2455, 2718, 2946, 4077, 4419, 4530, 4910, 6795, 7365, 8154, 8838, 13257, 13590, 14730, 20385, 22095, 26514, 40770, 44190, 66285, 74141, 132570, 148282, 222423, 370705, 444846, 667269, 741410, 1112115, 1334538, 2001807, 2224230, 3336345, 4003614, 6672690, 10009035, 20018070]

約数ペア:

[(1, 20018070), (2, 10009035), (3, 6672690), (5, 4003614), (6, 3336345), (9, 2224230), (10, 2001807), (15, 1334538), (18, 1112115), (27, 741410), (30, 667269), (45, 444846), (54, 370705), (90, 222423), (135, 148282), (151, 132570), (270, 74141), (302, 66285), (453, 44190), (491, 40770), (755, 26514), (906, 22095), (982, 20385), (1359, 14730), (1473, 13590), (1510, 13257), (2265, 8838), (2455, 8154), (2718, 7365), (2946, 6795), (4077, 4910), (4419, 4530)]