20199592796

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{173}}^1\times {\mathrm{15787}}^1$

素因数の和:16050

約数の個数: 36

約数和(自身を含む): 36401981112

約数和(自身を除く): 16202388316

約数列:

[1, 2, 4, 43, 86, 172, 173, 346, 692, 1849, 3698, 7396, 7439, 14878, 15787, 29756, 31574, 63148, 319877, 639754, 678841, 1279508, 1357682, 2715364, 2731151, 5462302, 10924604, 29190163, 58380326, 116760652, 117439493, 234878986, 469757972, 5049898199, 10099796398, 20199592796]

約数ペア:

[(1, 20199592796), (2, 10099796398), (4, 5049898199), (43, 469757972), (86, 234878986), (172, 117439493), (173, 116760652), (346, 58380326), (692, 29190163), (1849, 10924604), (3698, 5462302), (7396, 2731151), (7439, 2715364), (14878, 1357682), (15787, 1279508), (29756, 678841), (31574, 639754), (63148, 319877)]