20249964819

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{28579}}^1$

素因数の和:28781

約数の個数: 64

約数和(自身を含む): 35997081600

約数和(自身を除く): 15747116781

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 163, 189, 207, 483, 489, 621, 1141, 1449, 1467, 3423, 3749, 4347, 4401, 10269, 11247, 26243, 28579, 30807, 33741, 78729, 85737, 101223, 200053, 236187, 257211, 600159, 657317, 708561, 771633, 1800477, 1971951, 4601219, 4658377, 5401431, 5915853, 13803657, 13975131, 17747559, 32608639, 41410971, 41925393, 97825917, 107142671, 124232913, 125776179, 293477751, 321428013, 749998697, 880433253, 964284039, 2249996091, 2892852117, 6749988273, 20249964819]

約数ペア:

[(1, 20249964819), (3, 6749988273), (7, 2892852117), (9, 2249996091), (21, 964284039), (23, 880433253), (27, 749998697), (63, 321428013), (69, 293477751), (161, 125776179), (163, 124232913), (189, 107142671), (207, 97825917), (483, 41925393), (489, 41410971), (621, 32608639), (1141, 17747559), (1449, 13975131), (1467, 13803657), (3423, 5915853), (3749, 5401431), (4347, 4658377), (4401, 4601219), (10269, 1971951), (11247, 1800477), (26243, 771633), (28579, 708561), (30807, 657317), (33741, 600159), (78729, 257211), (85737, 236187), (101223, 200053)]