20189028496

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13866091}}^1$

素因数の和:13866119

約数の個数: 40

約数和(自身を含む): 48143071424

約数和(自身を除く): 27954042928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13866091, 27732182, 55464364, 97062637, 110928728, 180259183, 194125274, 221857456, 360518366, 388250548, 721036732, 776501096, 1261814281, 1442073464, 1553002192, 2523628562, 2884146928, 5047257124, 10094514248, 20189028496]

約数ペア:

[(1, 20189028496), (2, 10094514248), (4, 5047257124), (7, 2884146928), (8, 2523628562), (13, 1553002192), (14, 1442073464), (16, 1261814281), (26, 776501096), (28, 721036732), (52, 388250548), (56, 360518366), (91, 221857456), (104, 194125274), (112, 180259183), (182, 110928728), (208, 97062637), (364, 55464364), (728, 27732182), (1456, 13866091)]