20746544

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14249}}^1$

素因数の和:14277

約数の個数: 40

約数和(自身を含む): 49476000

約数和(自身を除く): 28729456

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14249, 28498, 56996, 99743, 113992, 185237, 199486, 227984, 370474, 398972, 740948, 797944, 1296659, 1481896, 1595888, 2593318, 2963792, 5186636, 10373272, 20746544]

約数ペア:

[(1, 20746544), (2, 10373272), (4, 5186636), (7, 2963792), (8, 2593318), (13, 1595888), (14, 1481896), (16, 1296659), (26, 797944), (28, 740948), (52, 398972), (56, 370474), (91, 227984), (104, 199486), (112, 185237), (182, 113992), (208, 99743), (364, 56996), (728, 28498), (1456, 14249)]