20678272

素因数分解:

$2^7\times {\mathrm{73}}^1\times {\mathrm{2213}}^1$

素因数の和:2300

約数の個数: 32

約数和(自身を含む): 41778180

約数和(自身を除く): 21099908

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 146, 292, 584, 1168, 2213, 2336, 4426, 4672, 8852, 9344, 17704, 35408, 70816, 141632, 161549, 283264, 323098, 646196, 1292392, 2584784, 5169568, 10339136, 20678272]

約数ペア:

[(1, 20678272), (2, 10339136), (4, 5169568), (8, 2584784), (16, 1292392), (32, 646196), (64, 323098), (73, 283264), (128, 161549), (146, 141632), (292, 70816), (584, 35408), (1168, 17704), (2213, 9344), (2336, 8852), (4426, 4672)]