20123762708

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{9949}}^1$

素因数の和:10089

約数の個数: 96

約数和(自身を含む): 43327872000

約数和(自身を除く): 23204109292

約数列:

[1, 2, 4, 7, 14, 28, 29, 47, 53, 58, 94, 106, 116, 188, 203, 212, 329, 371, 406, 658, 742, 812, 1316, 1363, 1484, 1537, 2491, 2726, 3074, 4982, 5452, 6148, 9541, 9949, 9964, 10759, 17437, 19082, 19898, 21518, 34874, 38164, 39796, 43036, 69643, 69748, 72239, 139286, 144478, 278572, 288521, 288956, 467603, 505673, 527297, 577042, 935206, 1011346, 1054594, 1154084, 1870412, 2019647, 2022692, 2109188, 3273221, 3691079, 4039294, 6546442, 7382158, 8078588, 13092884, 13560487, 14764316, 15291613, 24782959, 27120974, 30583226, 49565918, 54241948, 61166452, 94923409, 99131836, 107041291, 173480713, 189846818, 214082582, 346961426, 379693636, 428165164, 693922852, 718705811, 1437411622, 2874823244, 5030940677, 10061881354, 20123762708]

約数ペア:

[(1, 20123762708), (2, 10061881354), (4, 5030940677), (7, 2874823244), (14, 1437411622), (28, 718705811), (29, 693922852), (47, 428165164), (53, 379693636), (58, 346961426), (94, 214082582), (106, 189846818), (116, 173480713), (188, 107041291), (203, 99131836), (212, 94923409), (329, 61166452), (371, 54241948), (406, 49565918), (658, 30583226), (742, 27120974), (812, 24782959), (1316, 15291613), (1363, 14764316), (1484, 13560487), (1537, 13092884), (2491, 8078588), (2726, 7382158), (3074, 6546442), (4982, 4039294), (5452, 3691079), (6148, 3273221), (9541, 2109188), (9949, 2022692), (9964, 2019647), (10759, 1870412), (17437, 1154084), (19082, 1054594), (19898, 1011346), (21518, 935206), (34874, 577042), (38164, 527297), (39796, 505673), (43036, 467603), (69643, 288956), (69748, 288521), (72239, 278572), (139286, 144478)]