20668296

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 57139200

約数和(自身を除く): 36470904

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 79, 88, 132, 158, 237, 264, 316, 474, 632, 869, 948, 991, 1738, 1896, 1982, 2607, 2973, 3476, 3964, 5214, 5946, 6952, 7928, 10428, 10901, 11892, 20856, 21802, 23784, 32703, 43604, 65406, 78289, 87208, 130812, 156578, 234867, 261624, 313156, 469734, 626312, 861179, 939468, 1722358, 1878936, 2583537, 3444716, 5167074, 6889432, 10334148, 20668296]

約数ペア:

[(1, 20668296), (2, 10334148), (3, 6889432), (4, 5167074), (6, 3444716), (8, 2583537), (11, 1878936), (12, 1722358), (22, 939468), (24, 861179), (33, 626312), (44, 469734), (66, 313156), (79, 261624), (88, 234867), (132, 156578), (158, 130812), (237, 87208), (264, 78289), (316, 65406), (474, 43604), (632, 32703), (869, 23784), (948, 21802), (991, 20856), (1738, 11892), (1896, 10901), (1982, 10428), (2607, 7928), (2973, 6952), (3476, 5946), (3964, 5214)]