20628792

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12457}}^1$

素因数の和:12492

約数の個数: 48

約数和(自身を含む): 58303440

約数和(自身を除く): 37674648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12457, 24914, 37371, 49828, 74742, 99656, 112113, 149484, 224226, 286511, 298968, 448452, 573022, 859533, 896904, 1146044, 1719066, 2292088, 2578599, 3438132, 5157198, 6876264, 10314396, 20628792]

約数ペア:

[(1, 20628792), (2, 10314396), (3, 6876264), (4, 5157198), (6, 3438132), (8, 2578599), (9, 2292088), (12, 1719066), (18, 1146044), (23, 896904), (24, 859533), (36, 573022), (46, 448452), (69, 298968), (72, 286511), (92, 224226), (138, 149484), (184, 112113), (207, 99656), (276, 74742), (414, 49828), (552, 37371), (828, 24914), (1656, 12457)]