20442867328

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{20107}}^1$

素因数の和:20194

約数の個数: 96

約数和(自身を含む): 45040311360

約数和(自身を除く): 24597444032

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 64, 94, 104, 128, 169, 188, 208, 338, 376, 416, 611, 676, 752, 832, 1222, 1352, 1504, 1664, 2444, 2704, 3008, 4888, 5408, 6016, 7943, 9776, 10816, 15886, 19552, 20107, 21632, 31772, 39104, 40214, 63544, 78208, 80428, 127088, 160856, 254176, 261391, 321712, 508352, 522782, 643424, 945029, 1016704, 1045564, 1286848, 1890058, 2091128, 2573696, 3398083, 3780116, 4182256, 6796166, 7560232, 8364512, 12285377, 13592332, 15120464, 16729024, 24570754, 27184664, 30240928, 33458048, 49141508, 54369328, 60481856, 98283016, 108738656, 120963712, 159709901, 196566032, 217477312, 319419802, 393132064, 434954624, 638839604, 786264128, 1277679208, 1572528256, 2555358416, 5110716832, 10221433664, 20442867328]

約数ペア:

[(1, 20442867328), (2, 10221433664), (4, 5110716832), (8, 2555358416), (13, 1572528256), (16, 1277679208), (26, 786264128), (32, 638839604), (47, 434954624), (52, 393132064), (64, 319419802), (94, 217477312), (104, 196566032), (128, 159709901), (169, 120963712), (188, 108738656), (208, 98283016), (338, 60481856), (376, 54369328), (416, 49141508), (611, 33458048), (676, 30240928), (752, 27184664), (832, 24570754), (1222, 16729024), (1352, 15120464), (1504, 13592332), (1664, 12285377), (2444, 8364512), (2704, 7560232), (3008, 6796166), (4888, 4182256), (5408, 3780116), (6016, 3398083), (7943, 2573696), (9776, 2091128), (10816, 1890058), (15886, 1286848), (19552, 1045564), (20107, 1016704), (21632, 945029), (31772, 643424), (39104, 522782), (40214, 508352), (63544, 321712), (78208, 261391), (80428, 254176), (127088, 160856)]