20911500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{1549}}^1$

素因数の和:1577

約数の個数: 96

約数和(自身を含む): 67704000

約数和(自身を除く): 46792500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 125, 135, 150, 180, 225, 250, 270, 300, 375, 450, 500, 540, 675, 750, 900, 1125, 1350, 1500, 1549, 2250, 2700, 3098, 3375, 4500, 4647, 6196, 6750, 7745, 9294, 13500, 13941, 15490, 18588, 23235, 27882, 30980, 38725, 41823, 46470, 55764, 69705, 77450, 83646, 92940, 116175, 139410, 154900, 167292, 193625, 209115, 232350, 278820, 348525, 387250, 418230, 464700, 580875, 697050, 774500, 836460, 1045575, 1161750, 1394100, 1742625, 2091150, 2323500, 3485250, 4182300, 5227875, 6970500, 10455750, 20911500]

約数ペア:

[(1, 20911500), (2, 10455750), (3, 6970500), (4, 5227875), (5, 4182300), (6, 3485250), (9, 2323500), (10, 2091150), (12, 1742625), (15, 1394100), (18, 1161750), (20, 1045575), (25, 836460), (27, 774500), (30, 697050), (36, 580875), (45, 464700), (50, 418230), (54, 387250), (60, 348525), (75, 278820), (90, 232350), (100, 209115), (108, 193625), (125, 167292), (135, 154900), (150, 139410), (180, 116175), (225, 92940), (250, 83646), (270, 77450), (300, 69705), (375, 55764), (450, 46470), (500, 41823), (540, 38725), (675, 30980), (750, 27882), (900, 23235), (1125, 18588), (1350, 15490), (1500, 13941), (1549, 13500), (2250, 9294), (2700, 7745), (3098, 6750), (3375, 6196), (4500, 4647)]