20888927982

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1\times {\mathrm{2969}}^1$

素因数の和:3378

約数の個数: 96

約数和(自身を含む): 49388058720

約数和(自身を除く): 28499130738

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 107, 117, 214, 234, 281, 321, 562, 642, 843, 963, 1391, 1686, 1926, 2529, 2782, 2969, 3653, 4173, 5058, 5938, 7306, 8346, 8907, 10959, 12519, 17814, 21918, 25038, 26721, 30067, 32877, 38597, 53442, 60134, 65754, 77194, 90201, 115791, 180402, 231582, 270603, 317683, 347373, 390871, 541206, 635366, 694746, 781742, 834289, 953049, 1172613, 1668578, 1906098, 2345226, 2502867, 2859147, 3517839, 4129879, 5005734, 5718294, 7035678, 7508601, 8259758, 10845757, 12389637, 15017202, 21691514, 24779274, 32537271, 37168911, 65074542, 74337822, 89268923, 97611813, 178537846, 195223626, 267806769, 535613538, 803420307, 1160495999, 1606840614, 2320991998, 3481487997, 6962975994, 10444463991, 20888927982]

約数ペア:

[(1, 20888927982), (2, 10444463991), (3, 6962975994), (6, 3481487997), (9, 2320991998), (13, 1606840614), (18, 1160495999), (26, 803420307), (39, 535613538), (78, 267806769), (107, 195223626), (117, 178537846), (214, 97611813), (234, 89268923), (281, 74337822), (321, 65074542), (562, 37168911), (642, 32537271), (843, 24779274), (963, 21691514), (1391, 15017202), (1686, 12389637), (1926, 10845757), (2529, 8259758), (2782, 7508601), (2969, 7035678), (3653, 5718294), (4173, 5005734), (5058, 4129879), (5938, 3517839), (7306, 2859147), (8346, 2502867), (8907, 2345226), (10959, 1906098), (12519, 1668578), (17814, 1172613), (21918, 953049), (25038, 834289), (26721, 781742), (30067, 694746), (32877, 635366), (38597, 541206), (53442, 390871), (60134, 347373), (65754, 317683), (77194, 270603), (90201, 231582), (115791, 180402)]