20245060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4001}}^1$

素因数の和:4044

約数の個数: 48

約数和(自身を含む): 48408192

約数和(自身を除く): 28163132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 4001, 5060, 8002, 16004, 20005, 40010, 44011, 80020, 88022, 92023, 176044, 184046, 220055, 368092, 440110, 460115, 880220, 920230, 1012253, 1840460, 2024506, 4049012, 5061265, 10122530, 20245060]

約数ペア:

[(1, 20245060), (2, 10122530), (4, 5061265), (5, 4049012), (10, 2024506), (11, 1840460), (20, 1012253), (22, 920230), (23, 880220), (44, 460115), (46, 440110), (55, 368092), (92, 220055), (110, 184046), (115, 176044), (220, 92023), (230, 88022), (253, 80020), (460, 44011), (506, 40010), (1012, 20005), (1265, 16004), (2530, 8002), (4001, 5060)]