20464500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{1949}}^1$

素因数の和:1978

約数の個数: 96

約数和(自身を含む): 68140800

約数和(自身を除く): 47676300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 250, 300, 350, 375, 420, 500, 525, 700, 750, 875, 1050, 1500, 1750, 1949, 2100, 2625, 3500, 3898, 5250, 5847, 7796, 9745, 10500, 11694, 13643, 19490, 23388, 27286, 29235, 38980, 40929, 48725, 54572, 58470, 68215, 81858, 97450, 116940, 136430, 146175, 163716, 194900, 204645, 243625, 272860, 292350, 341075, 409290, 487250, 584700, 682150, 730875, 818580, 974500, 1023225, 1364300, 1461750, 1705375, 2046450, 2923500, 3410750, 4092900, 5116125, 6821500, 10232250, 20464500]

約数ペア:

[(1, 20464500), (2, 10232250), (3, 6821500), (4, 5116125), (5, 4092900), (6, 3410750), (7, 2923500), (10, 2046450), (12, 1705375), (14, 1461750), (15, 1364300), (20, 1023225), (21, 974500), (25, 818580), (28, 730875), (30, 682150), (35, 584700), (42, 487250), (50, 409290), (60, 341075), (70, 292350), (75, 272860), (84, 243625), (100, 204645), (105, 194900), (125, 163716), (140, 146175), (150, 136430), (175, 116940), (210, 97450), (250, 81858), (300, 68215), (350, 58470), (375, 54572), (420, 48725), (500, 40929), (525, 38980), (700, 29235), (750, 27286), (875, 23388), (1050, 19490), (1500, 13643), (1750, 11694), (1949, 10500), (2100, 9745), (2625, 7796), (3500, 5847), (3898, 5250)]