20549350

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 40497408

約数和(自身を除く): 19948058

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 107, 115, 167, 214, 230, 334, 535, 575, 835, 1070, 1150, 1670, 2461, 2675, 3841, 4175, 4922, 5350, 7682, 8350, 12305, 17869, 19205, 24610, 35738, 38410, 61525, 89345, 96025, 123050, 178690, 192050, 410987, 446725, 821974, 893450, 2054935, 4109870, 10274675, 20549350]

約数ペア:

[(1, 20549350), (2, 10274675), (5, 4109870), (10, 2054935), (23, 893450), (25, 821974), (46, 446725), (50, 410987), (107, 192050), (115, 178690), (167, 123050), (214, 96025), (230, 89345), (334, 61525), (535, 38410), (575, 35738), (835, 24610), (1070, 19205), (1150, 17869), (1670, 12305), (2461, 8350), (2675, 7682), (3841, 5350), (4175, 4922)]