20780416514

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{48023}}^1$

素因数の和:48155

約数の個数: 64

約数和(自身を含む): 39210635520

約数和(自身を除く): 18430219006

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 89, 143, 178, 187, 221, 286, 374, 442, 979, 1157, 1513, 1958, 2314, 2431, 3026, 4862, 12727, 16643, 19669, 25454, 33286, 39338, 48023, 96046, 216359, 432718, 528253, 624299, 816391, 1056506, 1248598, 1632782, 4274047, 6867289, 8548094, 8980301, 10613083, 13734578, 17960602, 21226166, 47014517, 55562611, 72658799, 94029034, 111125222, 116743913, 145317598, 233487826, 611188721, 799246789, 944564387, 1222377442, 1598493578, 1889128774, 10390208257, 20780416514]

約数ペア:

[(1, 20780416514), (2, 10390208257), (11, 1889128774), (13, 1598493578), (17, 1222377442), (22, 944564387), (26, 799246789), (34, 611188721), (89, 233487826), (143, 145317598), (178, 116743913), (187, 111125222), (221, 94029034), (286, 72658799), (374, 55562611), (442, 47014517), (979, 21226166), (1157, 17960602), (1513, 13734578), (1958, 10613083), (2314, 8980301), (2431, 8548094), (3026, 6867289), (4862, 4274047), (12727, 1632782), (16643, 1248598), (19669, 1056506), (25454, 816391), (33286, 624299), (39338, 528253), (48023, 432718), (96046, 216359)]