20781609612

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1021}}^1\times {\mathrm{2543}}^1$

素因数の和:3623

約数の個数: 96

約数和(自身を含む): 52415354880

約数和(自身を除く): 31633745268

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 46, 58, 69, 87, 92, 116, 138, 174, 276, 348, 667, 1021, 1334, 2001, 2042, 2543, 2668, 3063, 4002, 4084, 5086, 6126, 7629, 8004, 10172, 12252, 15258, 23483, 29609, 30516, 46966, 58489, 59218, 70449, 73747, 88827, 93932, 116978, 118436, 140898, 147494, 175467, 177654, 221241, 233956, 281796, 294988, 350934, 355308, 442482, 681007, 701868, 884964, 1362014, 1696181, 2043021, 2596403, 2724028, 3392362, 4086042, 5088543, 5192806, 6784724, 7789209, 8172084, 10177086, 10385612, 15578418, 20354172, 31156836, 59717269, 75295687, 119434538, 150591374, 179151807, 225887061, 238869076, 301182748, 358303614, 451774122, 716607228, 903548244, 1731800801, 3463601602, 5195402403, 6927203204, 10390804806, 20781609612]

約数ペア:

[(1, 20781609612), (2, 10390804806), (3, 6927203204), (4, 5195402403), (6, 3463601602), (12, 1731800801), (23, 903548244), (29, 716607228), (46, 451774122), (58, 358303614), (69, 301182748), (87, 238869076), (92, 225887061), (116, 179151807), (138, 150591374), (174, 119434538), (276, 75295687), (348, 59717269), (667, 31156836), (1021, 20354172), (1334, 15578418), (2001, 10385612), (2042, 10177086), (2543, 8172084), (2668, 7789209), (3063, 6784724), (4002, 5192806), (4084, 5088543), (5086, 4086042), (6126, 3392362), (7629, 2724028), (8004, 2596403), (10172, 2043021), (12252, 1696181), (15258, 1362014), (23483, 884964), (29609, 701868), (30516, 681007), (46966, 442482), (58489, 355308), (59218, 350934), (70449, 294988), (73747, 281796), (88827, 233956), (93932, 221241), (116978, 177654), (118436, 175467), (140898, 147494)]