20512007194

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{168737}}^1$

素因数の和:169222

約数の個数: 32

約数和(自身を含む): 37095361920

約数和(自身を除く): 16583354726

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 457, 914, 3199, 6398, 8683, 17366, 60781, 121562, 168737, 337474, 1181159, 2362318, 3206003, 6412006, 22442021, 44884042, 77112809, 154225618, 539789663, 1079579326, 1465143371, 2930286742, 10256003597, 20512007194]

約数ペア:

[(1, 20512007194), (2, 10256003597), (7, 2930286742), (14, 1465143371), (19, 1079579326), (38, 539789663), (133, 154225618), (266, 77112809), (457, 44884042), (914, 22442021), (3199, 6412006), (6398, 3206003), (8683, 2362318), (17366, 1181159), (60781, 337474), (121562, 168737)]