20161786852

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{101}}^2\times {\mathrm{11491}}^1$

素因数の和:11740

約数の個数: 36

約数和(自身を含む): 36467839408

約数和(自身を除く): 16306052556

約数列:

[1, 2, 4, 43, 86, 101, 172, 202, 404, 4343, 8686, 10201, 11491, 17372, 20402, 22982, 40804, 45964, 438643, 494113, 877286, 988226, 1160591, 1754572, 1976452, 2321182, 4642364, 49905413, 99810826, 117219691, 199621652, 234439382, 468878764, 5040446713, 10080893426, 20161786852]

約数ペア:

[(1, 20161786852), (2, 10080893426), (4, 5040446713), (43, 468878764), (86, 234439382), (101, 199621652), (172, 117219691), (202, 99810826), (404, 49905413), (4343, 4642364), (8686, 2321182), (10201, 1976452), (11491, 1754572), (17372, 1160591), (20402, 988226), (22982, 877286), (40804, 494113), (45964, 438643)]