20453300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 51663360

約数和(自身を除く): 31210060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 70, 100, 122, 140, 175, 244, 305, 350, 427, 479, 610, 700, 854, 958, 1220, 1525, 1708, 1916, 2135, 2395, 3050, 3353, 4270, 4790, 6100, 6706, 8540, 9580, 10675, 11975, 13412, 16765, 21350, 23950, 29219, 33530, 42700, 47900, 58438, 67060, 83825, 116876, 146095, 167650, 204533, 292190, 335300, 409066, 584380, 730475, 818132, 1022665, 1460950, 2045330, 2921900, 4090660, 5113325, 10226650, 20453300]

約数ペア:

[(1, 20453300), (2, 10226650), (4, 5113325), (5, 4090660), (7, 2921900), (10, 2045330), (14, 1460950), (20, 1022665), (25, 818132), (28, 730475), (35, 584380), (50, 409066), (61, 335300), (70, 292190), (100, 204533), (122, 167650), (140, 146095), (175, 116876), (244, 83825), (305, 67060), (350, 58438), (427, 47900), (479, 42700), (610, 33530), (700, 29219), (854, 23950), (958, 21350), (1220, 16765), (1525, 13412), (1708, 11975), (1916, 10675), (2135, 9580), (2395, 8540), (3050, 6706), (3353, 6100), (4270, 4790)]