20138904574

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{62563}}^1$

素因数の和:62824

約数の個数: 32

約数和(自身を含む): 32703454080

約数和(自身を除く): 12564549506

約数列:

[1, 2, 19, 38, 43, 86, 197, 394, 817, 1634, 3743, 7486, 8471, 16942, 62563, 125126, 160949, 321898, 1188697, 2377394, 2690209, 5380418, 12324911, 24649822, 51113971, 102227942, 234173309, 468346618, 529971173, 1059942346, 10069452287, 20138904574]

約数ペア:

[(1, 20138904574), (2, 10069452287), (19, 1059942346), (38, 529971173), (43, 468346618), (86, 234173309), (197, 102227942), (394, 51113971), (817, 24649822), (1634, 12324911), (3743, 5380418), (7486, 2690209), (8471, 2377394), (16942, 1188697), (62563, 321898), (125126, 160949)]