20875898

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 34499520

約数和(自身を除く): 13623622

約数列:

[1, 2, 17, 34, 43, 86, 109, 131, 218, 262, 731, 1462, 1853, 2227, 3706, 4454, 4687, 5633, 9374, 11266, 14279, 28558, 79679, 95761, 159358, 191522, 242743, 485486, 613997, 1227994, 10437949, 20875898]

約数ペア:

[(1, 20875898), (2, 10437949), (17, 1227994), (34, 613997), (43, 485486), (86, 242743), (109, 191522), (131, 159358), (218, 95761), (262, 79679), (731, 28558), (1462, 14279), (1853, 11266), (2227, 9374), (3706, 5633), (4454, 4687)]