20558671168

素因数分解:

$2^6\times 7^1\times {\mathrm{53}}^1\times {\mathrm{865847}}^1$

素因数の和:865919

約数の個数: 56

約数和(自身を含む): 47503884672

約数和(自身を除く): 26945213504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 212, 224, 371, 424, 448, 742, 848, 1484, 1696, 2968, 3392, 5936, 11872, 23744, 865847, 1731694, 3463388, 6060929, 6926776, 12121858, 13853552, 24243716, 27707104, 45889891, 48487432, 55414208, 91779782, 96974864, 183559564, 193949728, 321229237, 367119128, 387899456, 642458474, 734238256, 1284916948, 1468476512, 2569833896, 2936953024, 5139667792, 10279335584, 20558671168]

約数ペア:

[(1, 20558671168), (2, 10279335584), (4, 5139667792), (7, 2936953024), (8, 2569833896), (14, 1468476512), (16, 1284916948), (28, 734238256), (32, 642458474), (53, 387899456), (56, 367119128), (64, 321229237), (106, 193949728), (112, 183559564), (212, 96974864), (224, 91779782), (371, 55414208), (424, 48487432), (448, 45889891), (742, 27707104), (848, 24243716), (1484, 13853552), (1696, 12121858), (2968, 6926776), (3392, 6060929), (5936, 3463388), (11872, 1731694), (23744, 865847)]