20210880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:626

約数の個数: 112

約数和(自身を含む): 66019680

約数和(自身を除く): 45808800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 148, 160, 185, 192, 222, 240, 296, 320, 370, 444, 480, 555, 569, 592, 740, 888, 960, 1110, 1138, 1184, 1480, 1707, 1776, 2220, 2276, 2368, 2845, 2960, 3414, 3552, 4440, 4552, 5690, 5920, 6828, 7104, 8535, 8880, 9104, 11380, 11840, 13656, 17070, 17760, 18208, 21053, 22760, 27312, 34140, 35520, 36416, 42106, 45520, 54624, 63159, 68280, 84212, 91040, 105265, 109248, 126318, 136560, 168424, 182080, 210530, 252636, 273120, 315795, 336848, 421060, 505272, 546240, 631590, 673696, 842120, 1010544, 1263180, 1347392, 1684240, 2021088, 2526360, 3368480, 4042176, 5052720, 6736960, 10105440, 20210880]

約数ペア:

[(1, 20210880), (2, 10105440), (3, 6736960), (4, 5052720), (5, 4042176), (6, 3368480), (8, 2526360), (10, 2021088), (12, 1684240), (15, 1347392), (16, 1263180), (20, 1010544), (24, 842120), (30, 673696), (32, 631590), (37, 546240), (40, 505272), (48, 421060), (60, 336848), (64, 315795), (74, 273120), (80, 252636), (96, 210530), (111, 182080), (120, 168424), (148, 136560), (160, 126318), (185, 109248), (192, 105265), (222, 91040), (240, 84212), (296, 68280), (320, 63159), (370, 54624), (444, 45520), (480, 42106), (555, 36416), (569, 35520), (592, 34140), (740, 27312), (888, 22760), (960, 21053), (1110, 18208), (1138, 17760), (1184, 17070), (1480, 13656), (1707, 11840), (1776, 11380), (2220, 9104), (2276, 8880), (2368, 8535), (2845, 7104), (2960, 6828), (3414, 5920), (3552, 5690), (4440, 4552)]