20138461145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1\times {\mathrm{19571}}^1$

素因数の和:19993

約数の個数: 32

約数和(自身を含む): 26937961344

約数和(自身を除く): 6799500199

約数列:

[1, 5, 11, 53, 55, 265, 353, 583, 1765, 2915, 3883, 18709, 19415, 19571, 93545, 97855, 205799, 215281, 1028995, 1037263, 1076405, 5186315, 6908563, 11409893, 34542815, 57049465, 75994193, 366153839, 379970965, 1830769195, 4027692229, 20138461145]

約数ペア:

[(1, 20138461145), (5, 4027692229), (11, 1830769195), (53, 379970965), (55, 366153839), (265, 75994193), (353, 57049465), (583, 34542815), (1765, 11409893), (2915, 6908563), (3883, 5186315), (18709, 1076405), (19415, 1037263), (19571, 1028995), (93545, 215281), (97855, 205799)]