20184240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2273}}^1$

素因数の和:2326

約数の個数: 80

約数和(自身を含む): 64290528

約数和(自身を除く): 44106288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2273, 2960, 4440, 4546, 6819, 8880, 9092, 11365, 13638, 18184, 22730, 27276, 34095, 36368, 45460, 54552, 68190, 84101, 90920, 109104, 136380, 168202, 181840, 252303, 272760, 336404, 420505, 504606, 545520, 672808, 841010, 1009212, 1261515, 1345616, 1682020, 2018424, 2523030, 3364040, 4036848, 5046060, 6728080, 10092120, 20184240]

約数ペア:

[(1, 20184240), (2, 10092120), (3, 6728080), (4, 5046060), (5, 4036848), (6, 3364040), (8, 2523030), (10, 2018424), (12, 1682020), (15, 1345616), (16, 1261515), (20, 1009212), (24, 841010), (30, 672808), (37, 545520), (40, 504606), (48, 420505), (60, 336404), (74, 272760), (80, 252303), (111, 181840), (120, 168202), (148, 136380), (185, 109104), (222, 90920), (240, 84101), (296, 68190), (370, 54552), (444, 45460), (555, 36368), (592, 34095), (740, 27276), (888, 22730), (1110, 18184), (1480, 13638), (1776, 11365), (2220, 9092), (2273, 8880), (2960, 6819), (4440, 4546)]