20671012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7351}}^1$

素因数の和:7411

約数の個数: 24

約数和(自身を含む): 39112640

約数和(自身を除く): 18441628

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7351, 14702, 29404, 139669, 271987, 279338, 543974, 558676, 1087948, 5167753, 10335506, 20671012]

約数ペア:

[(1, 20671012), (2, 10335506), (4, 5167753), (19, 1087948), (37, 558676), (38, 543974), (74, 279338), (76, 271987), (148, 139669), (703, 29404), (1406, 14702), (2812, 7351)]