20815696448

素因数分解:

$2^6\times {\mathrm{271}}^1\times {\mathrm{1200167}}^1$

素因数の和:1200450

約数の個数: 28

約数和(自身を含む): 41458603392

約数和(自身を除く): 20642906944

約数列:

[1, 2, 4, 8, 16, 32, 64, 271, 542, 1084, 2168, 4336, 8672, 17344, 1200167, 2400334, 4800668, 9601336, 19202672, 38405344, 76810688, 325245257, 650490514, 1300981028, 2601962056, 5203924112, 10407848224, 20815696448]

約数ペア:

[(1, 20815696448), (2, 10407848224), (4, 5203924112), (8, 2601962056), (16, 1300981028), (32, 650490514), (64, 325245257), (271, 76810688), (542, 38405344), (1084, 19202672), (2168, 9601336), (4336, 4800668), (8672, 2400334), (17344, 1200167)]