20169480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9887}}^1$

素因数の和:9918

約数の個数: 64

約数和(自身を含む): 64074240

約数和(自身を除く): 43904760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 9887, 19774, 29661, 39548, 49435, 59322, 79096, 98870, 118644, 148305, 168079, 197740, 237288, 296610, 336158, 395480, 504237, 593220, 672316, 840395, 1008474, 1186440, 1344632, 1680790, 2016948, 2521185, 3361580, 4033896, 5042370, 6723160, 10084740, 20169480]

約数ペア:

[(1, 20169480), (2, 10084740), (3, 6723160), (4, 5042370), (5, 4033896), (6, 3361580), (8, 2521185), (10, 2016948), (12, 1680790), (15, 1344632), (17, 1186440), (20, 1008474), (24, 840395), (30, 672316), (34, 593220), (40, 504237), (51, 395480), (60, 336158), (68, 296610), (85, 237288), (102, 197740), (120, 168079), (136, 148305), (170, 118644), (204, 98870), (255, 79096), (340, 59322), (408, 49435), (510, 39548), (680, 29661), (1020, 19774), (2040, 9887)]