20976190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{977}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 40137120

約数和(自身を除く): 19160930

約数列:

[1, 2, 5, 10, 19, 38, 95, 113, 190, 226, 565, 977, 1130, 1954, 2147, 4294, 4885, 9770, 10735, 18563, 21470, 37126, 92815, 110401, 185630, 220802, 552005, 1104010, 2097619, 4195238, 10488095, 20976190]

約数ペア:

[(1, 20976190), (2, 10488095), (5, 4195238), (10, 2097619), (19, 1104010), (38, 552005), (95, 220802), (113, 185630), (190, 110401), (226, 92815), (565, 37126), (977, 21470), (1130, 18563), (1954, 10735), (2147, 9770), (4294, 4885)]