20160491020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{71153}}^1$

素因数の和:71650

約数の個数: 48

約数和(自身を含む): 43798987008

約数和(自身を除く): 23638495988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 457, 620, 914, 1828, 2285, 4570, 9140, 14167, 28334, 56668, 70835, 71153, 141670, 142306, 283340, 284612, 355765, 711530, 1423060, 2205743, 4411486, 8822972, 11028715, 22057430, 32516921, 44114860, 65033842, 130067684, 162584605, 325169210, 650338420, 1008024551, 2016049102, 4032098204, 5040122755, 10080245510, 20160491020]

約数ペア:

[(1, 20160491020), (2, 10080245510), (4, 5040122755), (5, 4032098204), (10, 2016049102), (20, 1008024551), (31, 650338420), (62, 325169210), (124, 162584605), (155, 130067684), (310, 65033842), (457, 44114860), (620, 32516921), (914, 22057430), (1828, 11028715), (2285, 8822972), (4570, 4411486), (9140, 2205743), (14167, 1423060), (28334, 711530), (56668, 355765), (70835, 284612), (71153, 283340), (141670, 142306)]