20581522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 35622720

約数和(自身を除く): 15041198

約数列:

[1, 2, 13, 19, 26, 38, 61, 122, 247, 494, 683, 793, 1159, 1366, 1586, 2318, 8879, 12977, 15067, 17758, 25954, 30134, 41663, 83326, 168701, 337402, 541619, 791597, 1083238, 1583194, 10290761, 20581522]

約数ペア:

[(1, 20581522), (2, 10290761), (13, 1583194), (19, 1083238), (26, 791597), (38, 541619), (61, 337402), (122, 168701), (247, 83326), (494, 41663), (683, 30134), (793, 25954), (1159, 17758), (1366, 15067), (1586, 12977), (2318, 8879)]