20768724

素因数分解:

$2^2\times 3^5\times {\mathrm{23}}^1\times {\mathrm{929}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 56871360

約数和(自身を除く): 36102636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 243, 276, 324, 414, 486, 621, 828, 929, 972, 1242, 1858, 1863, 2484, 2787, 3716, 3726, 5574, 5589, 7452, 8361, 11148, 11178, 16722, 21367, 22356, 25083, 33444, 42734, 50166, 64101, 75249, 85468, 100332, 128202, 150498, 192303, 225747, 256404, 300996, 384606, 451494, 576909, 769212, 902988, 1153818, 1730727, 2307636, 3461454, 5192181, 6922908, 10384362, 20768724]

約数ペア:

[(1, 20768724), (2, 10384362), (3, 6922908), (4, 5192181), (6, 3461454), (9, 2307636), (12, 1730727), (18, 1153818), (23, 902988), (27, 769212), (36, 576909), (46, 451494), (54, 384606), (69, 300996), (81, 256404), (92, 225747), (108, 192303), (138, 150498), (162, 128202), (207, 100332), (243, 85468), (276, 75249), (324, 64101), (414, 50166), (486, 42734), (621, 33444), (828, 25083), (929, 22356), (972, 21367), (1242, 16722), (1858, 11178), (1863, 11148), (2484, 8361), (2787, 7452), (3716, 5589), (3726, 5574)]