20173440092

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{811}}^1\times {\mathrm{1187}}^1$

素因数の和:2059

約数の個数: 72

約数和(自身を含む): 39543178752

約数和(自身を除く): 19369738660

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 811, 1187, 1612, 1622, 2374, 3244, 4748, 5239, 10478, 10543, 15431, 20956, 21086, 25141, 30862, 36797, 42172, 50282, 61724, 73594, 100564, 137059, 147188, 200603, 274118, 326833, 401206, 478361, 548236, 653666, 802412, 956722, 962657, 1307332, 1913444, 1925314, 3850628, 4248829, 6218693, 8497658, 12437386, 12514541, 16995316, 24874772, 25029082, 29842367, 50058164, 59684734, 119369468, 162689033, 325378066, 387950771, 650756132, 775901542, 1551803084, 5043360023, 10086720046, 20173440092]

約数ペア:

[(1, 20173440092), (2, 10086720046), (4, 5043360023), (13, 1551803084), (26, 775901542), (31, 650756132), (52, 387950771), (62, 325378066), (124, 162689033), (169, 119369468), (338, 59684734), (403, 50058164), (676, 29842367), (806, 25029082), (811, 24874772), (1187, 16995316), (1612, 12514541), (1622, 12437386), (2374, 8497658), (3244, 6218693), (4748, 4248829), (5239, 3850628), (10478, 1925314), (10543, 1913444), (15431, 1307332), (20956, 962657), (21086, 956722), (25141, 802412), (30862, 653666), (36797, 548236), (42172, 478361), (50282, 401206), (61724, 326833), (73594, 274118), (100564, 200603), (137059, 147188)]