20408957328

素因数分解:

$2^4\times 3^1\times {\mathrm{79}}^1\times {\mathrm{5382109}}^1$

素因数の和:5382199

約数の個数: 40

約数和(自身を含む): 53390531200

約数和(自身を除く): 32981573872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 79, 158, 237, 316, 474, 632, 948, 1264, 1896, 3792, 5382109, 10764218, 16146327, 21528436, 32292654, 43056872, 64585308, 86113744, 129170616, 258341232, 425186611, 850373222, 1275559833, 1700746444, 2551119666, 3401492888, 5102239332, 6802985776, 10204478664, 20408957328]

約数ペア:

[(1, 20408957328), (2, 10204478664), (3, 6802985776), (4, 5102239332), (6, 3401492888), (8, 2551119666), (12, 1700746444), (16, 1275559833), (24, 850373222), (48, 425186611), (79, 258341232), (158, 129170616), (237, 86113744), (316, 64585308), (474, 43056872), (632, 32292654), (948, 21528436), (1264, 16146327), (1896, 10764218), (3792, 5382109)]