20940147201

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1\times {\mathrm{4357}}^1$

素因数の和:4761

約数の個数: 32

約数和(自身を含む): 28782044928

約数和(自身を除く): 7841897727

約数列:

[1, 3, 53, 159, 167, 181, 501, 543, 4357, 8851, 9593, 13071, 26553, 28779, 30227, 90681, 230921, 692763, 727619, 788617, 1602031, 2182857, 2365851, 4806093, 38563807, 41796701, 115691421, 125390103, 131699039, 395097117, 6980049067, 20940147201]

約数ペア:

[(1, 20940147201), (3, 6980049067), (53, 395097117), (159, 131699039), (167, 125390103), (181, 115691421), (501, 41796701), (543, 38563807), (4357, 4806093), (8851, 2365851), (9593, 2182857), (13071, 1602031), (26553, 788617), (28779, 727619), (30227, 692763), (90681, 230921)]