20163739180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2707}}^1\times {\mathrm{28649}}^1$

素因数の和:31378

約数の個数: 48

約数和(自身を含む): 45619509600

約数和(自身を除く): 25455770420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2707, 5414, 10828, 13535, 27070, 28649, 35191, 54140, 57298, 70382, 114596, 140764, 143245, 175955, 286490, 351910, 372437, 572980, 703820, 744874, 1489748, 1862185, 3724370, 7448740, 77552843, 155105686, 310211372, 387764215, 775528430, 1008186959, 1551056860, 2016373918, 4032747836, 5040934795, 10081869590, 20163739180]

約数ペア:

[(1, 20163739180), (2, 10081869590), (4, 5040934795), (5, 4032747836), (10, 2016373918), (13, 1551056860), (20, 1008186959), (26, 775528430), (52, 387764215), (65, 310211372), (130, 155105686), (260, 77552843), (2707, 7448740), (5414, 3724370), (10828, 1862185), (13535, 1489748), (27070, 744874), (28649, 703820), (35191, 572980), (54140, 372437), (57298, 351910), (70382, 286490), (114596, 175955), (140764, 143245)]