20802290

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 38537856

約数和(自身を除く): 17735566

約数列:

[1, 2, 5, 10, 71, 83, 142, 166, 353, 355, 415, 706, 710, 830, 1765, 3530, 5893, 11786, 25063, 29299, 29465, 50126, 58598, 58930, 125315, 146495, 250630, 292990, 2080229, 4160458, 10401145, 20802290]

約数ペア:

[(1, 20802290), (2, 10401145), (5, 4160458), (10, 2080229), (71, 292990), (83, 250630), (142, 146495), (166, 125315), (353, 58930), (355, 58598), (415, 50126), (706, 29465), (710, 29299), (830, 25063), (1765, 11786), (3530, 5893)]