20779810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{541}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 39336192

約数和(自身を除く): 18556382

約数列:

[1, 2, 5, 10, 23, 46, 115, 167, 230, 334, 541, 835, 1082, 1670, 2705, 3841, 5410, 7682, 12443, 19205, 24886, 38410, 62215, 90347, 124430, 180694, 451735, 903470, 2077981, 4155962, 10389905, 20779810]

約数ペア:

[(1, 20779810), (2, 10389905), (5, 4155962), (10, 2077981), (23, 903470), (46, 451735), (115, 180694), (167, 124430), (230, 90347), (334, 62215), (541, 38410), (835, 24886), (1082, 19205), (1670, 12443), (2705, 7682), (3841, 5410)]