20733742016

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{1916951}}^1$

素因数の和:1916989

約数の個数: 42

約数和(自身を含む): 44551881432

約数和(自身を除く): 23818139416

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 2704, 5408, 10816, 1916951, 3833902, 7667804, 15335608, 24920363, 30671216, 49840726, 61342432, 99681452, 122684864, 199362904, 323964719, 398725808, 647929438, 797451616, 1295858876, 1594903232, 2591717752, 5183435504, 10366871008, 20733742016]

約数ペア:

[(1, 20733742016), (2, 10366871008), (4, 5183435504), (8, 2591717752), (13, 1594903232), (16, 1295858876), (26, 797451616), (32, 647929438), (52, 398725808), (64, 323964719), (104, 199362904), (169, 122684864), (208, 99681452), (338, 61342432), (416, 49840726), (676, 30671216), (832, 24920363), (1352, 15335608), (2704, 7667804), (5408, 3833902), (10816, 1916951)]