20204220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:547

約数の個数: 96

約数和(自身を含む): 61286400

約数和(自身を除く): 41082180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 37, 38, 57, 60, 74, 76, 95, 111, 114, 148, 185, 190, 222, 228, 285, 370, 380, 444, 479, 555, 570, 703, 740, 958, 1110, 1140, 1406, 1437, 1916, 2109, 2220, 2395, 2812, 2874, 3515, 4218, 4790, 5748, 7030, 7185, 8436, 9101, 9580, 10545, 14060, 14370, 17723, 18202, 21090, 27303, 28740, 35446, 36404, 42180, 45505, 53169, 54606, 70892, 88615, 91010, 106338, 109212, 136515, 177230, 182020, 212676, 265845, 273030, 336737, 354460, 531690, 546060, 673474, 1010211, 1063380, 1346948, 1683685, 2020422, 3367370, 4040844, 5051055, 6734740, 10102110, 20204220]

約数ペア:

[(1, 20204220), (2, 10102110), (3, 6734740), (4, 5051055), (5, 4040844), (6, 3367370), (10, 2020422), (12, 1683685), (15, 1346948), (19, 1063380), (20, 1010211), (30, 673474), (37, 546060), (38, 531690), (57, 354460), (60, 336737), (74, 273030), (76, 265845), (95, 212676), (111, 182020), (114, 177230), (148, 136515), (185, 109212), (190, 106338), (222, 91010), (228, 88615), (285, 70892), (370, 54606), (380, 53169), (444, 45505), (479, 42180), (555, 36404), (570, 35446), (703, 28740), (740, 27303), (958, 21090), (1110, 18202), (1140, 17723), (1406, 14370), (1437, 14060), (1916, 10545), (2109, 9580), (2220, 9101), (2395, 8436), (2812, 7185), (2874, 7030), (3515, 5748), (4218, 4790)]