20660100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4051}}^1$

素因数の和:4085

約数の個数: 72

約数和(自身を含む): 63308448

約数和(自身を除く): 42648348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 4051, 5100, 8102, 12153, 16204, 20255, 24306, 40510, 48612, 60765, 68867, 81020, 101275, 121530, 137734, 202550, 206601, 243060, 275468, 303825, 344335, 405100, 413202, 607650, 688670, 826404, 1033005, 1215300, 1377340, 1721675, 2066010, 3443350, 4132020, 5165025, 6886700, 10330050, 20660100]

約数ペア:

[(1, 20660100), (2, 10330050), (3, 6886700), (4, 5165025), (5, 4132020), (6, 3443350), (10, 2066010), (12, 1721675), (15, 1377340), (17, 1215300), (20, 1033005), (25, 826404), (30, 688670), (34, 607650), (50, 413202), (51, 405100), (60, 344335), (68, 303825), (75, 275468), (85, 243060), (100, 206601), (102, 202550), (150, 137734), (170, 121530), (204, 101275), (255, 81020), (300, 68867), (340, 60765), (425, 48612), (510, 40510), (850, 24306), (1020, 20255), (1275, 16204), (1700, 12153), (2550, 8102), (4051, 5100)]