20950384

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14389}}^1$

素因数の和:14417

約数の個数: 40

約数和(自身を含む): 49962080

約数和(自身を除く): 29011696

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14389, 28778, 57556, 100723, 115112, 187057, 201446, 230224, 374114, 402892, 748228, 805784, 1309399, 1496456, 1611568, 2618798, 2992912, 5237596, 10475192, 20950384]

約数ペア:

[(1, 20950384), (2, 10475192), (4, 5237596), (7, 2992912), (8, 2618798), (13, 1611568), (14, 1496456), (16, 1309399), (26, 805784), (28, 748228), (52, 402892), (56, 374114), (91, 230224), (104, 201446), (112, 187057), (182, 115112), (208, 100723), (364, 57556), (728, 28778), (1456, 14389)]