20194706780

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1229}}^1\times {\mathrm{5441}}^1$

素因数の和:6830

約数の個数: 48

約数和(自身を含む): 42732325440

約数和(自身を除く): 22537618660

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1229, 1510, 2458, 3020, 4916, 5441, 6145, 10882, 12290, 21764, 24580, 27205, 54410, 108820, 185579, 371158, 742316, 821591, 927895, 1643182, 1855790, 3286364, 3711580, 4107955, 6686989, 8215910, 13373978, 16431820, 26747956, 33434945, 66869890, 133739780, 1009735339, 2019470678, 4038941356, 5048676695, 10097353390, 20194706780]

約数ペア:

[(1, 20194706780), (2, 10097353390), (4, 5048676695), (5, 4038941356), (10, 2019470678), (20, 1009735339), (151, 133739780), (302, 66869890), (604, 33434945), (755, 26747956), (1229, 16431820), (1510, 13373978), (2458, 8215910), (3020, 6686989), (4916, 4107955), (5441, 3711580), (6145, 3286364), (10882, 1855790), (12290, 1643182), (21764, 927895), (24580, 821591), (27205, 742316), (54410, 371158), (108820, 185579)]