20750936416

素因数分解:

$2^5\times 7^1\times {\mathrm{101}}^1\times {\mathrm{917209}}^1$

素因数の和:917327

約数の個数: 48

約数和(自身を含む): 47151931680

約数和(自身を除く): 26400995264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 101, 112, 202, 224, 404, 707, 808, 1414, 1616, 2828, 3232, 5656, 11312, 22624, 917209, 1834418, 3668836, 6420463, 7337672, 12840926, 14675344, 25681852, 29350688, 51363704, 92638109, 102727408, 185276218, 205454816, 370552436, 648466763, 741104872, 1296933526, 1482209744, 2593867052, 2964419488, 5187734104, 10375468208, 20750936416]

約数ペア:

[(1, 20750936416), (2, 10375468208), (4, 5187734104), (7, 2964419488), (8, 2593867052), (14, 1482209744), (16, 1296933526), (28, 741104872), (32, 648466763), (56, 370552436), (101, 205454816), (112, 185276218), (202, 102727408), (224, 92638109), (404, 51363704), (707, 29350688), (808, 25681852), (1414, 14675344), (1616, 12840926), (2828, 7337672), (3232, 6420463), (5656, 3668836), (11312, 1834418), (22624, 917209)]