20198097616

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40721971}}^1$

素因数の和:40722010

約数の個数: 20

約数和(自身を含む): 40396196224

約数和(自身を除く): 20198098608

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40721971, 81443942, 162887884, 325775768, 651551536, 1262381101, 2524762202, 5049524404, 10099048808, 20198097616]

約数ペア:

[(1, 20198097616), (2, 10099048808), (4, 5049524404), (8, 2524762202), (16, 1262381101), (31, 651551536), (62, 325775768), (124, 162887884), (248, 81443942), (496, 40721971)]