20220220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 24595460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 113, 115, 226, 230, 389, 452, 460, 565, 778, 1130, 1556, 1945, 2260, 2599, 3890, 5198, 7780, 8947, 10396, 12995, 17894, 25990, 35788, 43957, 44735, 51980, 87914, 89470, 175828, 178940, 219785, 439570, 879140, 1011011, 2022022, 4044044, 5055055, 10110110, 20220220]

約数ペア:

[(1, 20220220), (2, 10110110), (4, 5055055), (5, 4044044), (10, 2022022), (20, 1011011), (23, 879140), (46, 439570), (92, 219785), (113, 178940), (115, 175828), (226, 89470), (230, 87914), (389, 51980), (452, 44735), (460, 43957), (565, 35788), (778, 25990), (1130, 17894), (1556, 12995), (1945, 10396), (2260, 8947), (2599, 7780), (3890, 5198)]