20089976452

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{79873}}^1$

素因数の和:80588

約数の個数: 48

約数和(自身を含む): 43333881472

約数和(自身を除く): 23243905020

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 691, 1382, 2764, 4837, 8983, 9674, 17966, 19348, 35932, 62881, 79873, 125762, 159746, 251524, 319492, 559111, 1038349, 1118222, 2076698, 2236444, 4153396, 7268443, 14536886, 29073772, 55192243, 110384486, 220768972, 386345701, 717499159, 772691402, 1434998318, 1545382804, 2869996636, 5022494113, 10044988226, 20089976452]

約数ペア:

[(1, 20089976452), (2, 10044988226), (4, 5022494113), (7, 2869996636), (13, 1545382804), (14, 1434998318), (26, 772691402), (28, 717499159), (52, 386345701), (91, 220768972), (182, 110384486), (364, 55192243), (691, 29073772), (1382, 14536886), (2764, 7268443), (4837, 4153396), (8983, 2236444), (9674, 2076698), (17966, 1118222), (19348, 1038349), (35932, 559111), (62881, 319492), (79873, 251524), (125762, 159746)]