20565352528

素因数分解:

$2^4\times 7^4\times {\mathrm{535333}}^1$

素因数の和:535369

約数の個数: 50

約数和(自身を含む): 46483586554

約数和(自身を除く): 25918234026

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2401, 2744, 4802, 5488, 9604, 19208, 38416, 535333, 1070666, 2141332, 3747331, 4282664, 7494662, 8565328, 14989324, 26231317, 29978648, 52462634, 59957296, 104925268, 183619219, 209850536, 367238438, 419701072, 734476876, 1285334533, 1468953752, 2570669066, 2937907504, 5141338132, 10282676264, 20565352528]

約数ペア:

[(1, 20565352528), (2, 10282676264), (4, 5141338132), (7, 2937907504), (8, 2570669066), (14, 1468953752), (16, 1285334533), (28, 734476876), (49, 419701072), (56, 367238438), (98, 209850536), (112, 183619219), (196, 104925268), (343, 59957296), (392, 52462634), (686, 29978648), (784, 26231317), (1372, 14989324), (2401, 8565328), (2744, 7494662), (4802, 4282664), (5488, 3747331), (9604, 2141332), (19208, 1070666), (38416, 535333)]