20279872

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4463}}^1$

素因数の和:4546

約数の個数: 28

約数和(自身を含む): 40818816

約数和(自身を除く): 20538944

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4463, 4544, 8926, 17852, 35704, 71408, 142816, 285632, 316873, 633746, 1267492, 2534984, 5069968, 10139936, 20279872]

約数ペア:

[(1, 20279872), (2, 10139936), (4, 5069968), (8, 2534984), (16, 1267492), (32, 633746), (64, 316873), (71, 285632), (142, 142816), (284, 71408), (568, 35704), (1136, 17852), (2272, 8926), (4463, 4544)]