20798900654

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1\times {\mathrm{17209}}^1$

素因数の和:18008

約数の個数: 32

約数和(自身を含む): 35984044800

約数和(自身を除く): 15185144146

約数列:

[1, 2, 7, 14, 131, 262, 659, 917, 1318, 1834, 4613, 9226, 17209, 34418, 86329, 120463, 172658, 240926, 604303, 1208606, 2254379, 4508758, 11340731, 15780653, 22681462, 31561306, 79385117, 158770234, 1485635761, 2971271522, 10399450327, 20798900654]

約数ペア:

[(1, 20798900654), (2, 10399450327), (7, 2971271522), (14, 1485635761), (131, 158770234), (262, 79385117), (659, 31561306), (917, 22681462), (1318, 15780653), (1834, 11340731), (4613, 4508758), (9226, 2254379), (17209, 1208606), (34418, 604303), (86329, 240926), (120463, 172658)]