20821392

素因数分解:

$2^4\times 3^2\times {\mathrm{144593}}^1$

素因数の和:144607

約数の個数: 30

約数和(自身を含む): 58271382

約数和(自身を除く): 37449990

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 144593, 289186, 433779, 578372, 867558, 1156744, 1301337, 1735116, 2313488, 2602674, 3470232, 5205348, 6940464, 10410696, 20821392]

約数ペア:

[(1, 20821392), (2, 10410696), (3, 6940464), (4, 5205348), (6, 3470232), (8, 2602674), (9, 2313488), (12, 1735116), (16, 1301337), (18, 1156744), (24, 867558), (36, 578372), (48, 433779), (72, 289186), (144, 144593)]