20648163426

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{637171}}^1$

素因数の和:637678

約数の個数: 32

約数和(自身を含む): 45142361856

約数和(自身を除く): 24494198430

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 491, 982, 1473, 2946, 5401, 10802, 16203, 32406, 637171, 1274342, 1911513, 3823026, 7008881, 14017762, 21026643, 42053286, 312850961, 625701922, 938552883, 1877105766, 3441360571, 6882721142, 10324081713, 20648163426]

約数ペア:

[(1, 20648163426), (2, 10324081713), (3, 6882721142), (6, 3441360571), (11, 1877105766), (22, 938552883), (33, 625701922), (66, 312850961), (491, 42053286), (982, 21026643), (1473, 14017762), (2946, 7008881), (5401, 3823026), (10802, 1911513), (16203, 1274342), (32406, 637171)]