20658889707

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{47659}}^1$

素因数の和:47831

約数の個数: 32

約数和(自身を含む): 29282304000

約数和(自身を除く): 8623414293

約数列:

[1, 3, 31, 59, 79, 93, 177, 237, 1829, 2449, 4661, 5487, 7347, 13983, 47659, 142977, 144491, 433473, 1477429, 2811881, 3765061, 4432287, 8435643, 11295183, 87168311, 116716891, 222138599, 261504933, 350150673, 666415797, 6886296569, 20658889707]

約数ペア:

[(1, 20658889707), (3, 6886296569), (31, 666415797), (59, 350150673), (79, 261504933), (93, 222138599), (177, 116716891), (237, 87168311), (1829, 11295183), (2449, 8435643), (4661, 4432287), (5487, 3765061), (7347, 2811881), (13983, 1477429), (47659, 433473), (142977, 144491)]