20213787615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{45329}}^1$

素因数の和:45512

約数の個数: 64

約数和(自身を含む): 38434037760

約数和(自身を除く): 18220250145

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 137, 155, 217, 411, 465, 651, 685, 959, 1085, 2055, 2877, 3255, 4247, 4795, 12741, 14385, 21235, 29729, 45329, 63705, 89187, 135987, 148645, 226645, 317303, 445935, 679935, 951909, 1405199, 1586515, 4215597, 4759545, 6210073, 7025995, 9836393, 18630219, 21077985, 29509179, 31050365, 43470511, 49181965, 93151095, 130411533, 147545895, 192512263, 217352555, 577536789, 652057665, 962561315, 1347585841, 2887683945, 4042757523, 6737929205, 20213787615]

約数ペア:

[(1, 20213787615), (3, 6737929205), (5, 4042757523), (7, 2887683945), (15, 1347585841), (21, 962561315), (31, 652057665), (35, 577536789), (93, 217352555), (105, 192512263), (137, 147545895), (155, 130411533), (217, 93151095), (411, 49181965), (465, 43470511), (651, 31050365), (685, 29509179), (959, 21077985), (1085, 18630219), (2055, 9836393), (2877, 7025995), (3255, 6210073), (4247, 4759545), (4795, 4215597), (12741, 1586515), (14385, 1405199), (21235, 951909), (29729, 679935), (45329, 445935), (63705, 317303), (89187, 226645), (135987, 148645)]