20703530

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 17658070

約数列:

[1, 2, 5, 10, 73, 79, 146, 158, 359, 365, 395, 718, 730, 790, 1795, 3590, 5767, 11534, 26207, 28361, 28835, 52414, 56722, 57670, 131035, 141805, 262070, 283610, 2070353, 4140706, 10351765, 20703530]

約数ペア:

[(1, 20703530), (2, 10351765), (5, 4140706), (10, 2070353), (73, 283610), (79, 262070), (146, 141805), (158, 131035), (359, 57670), (365, 56722), (395, 52414), (718, 28835), (730, 28361), (790, 26207), (1795, 11534), (3590, 5767)]