19975960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21713}}^1$

素因数の和:21747

約数の個数: 32

約数和(自身を含む): 46902240

約数和(自身を除く): 26926280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21713, 43426, 86852, 108565, 173704, 217130, 434260, 499399, 868520, 998798, 1997596, 2496995, 3995192, 4993990, 9987980, 19975960]

約数ペア:

[(1, 19975960), (2, 9987980), (4, 4993990), (5, 3995192), (8, 2496995), (10, 1997596), (20, 998798), (23, 868520), (40, 499399), (46, 434260), (92, 217130), (115, 173704), (184, 108565), (230, 86852), (460, 43426), (920, 21713)]