20830308

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{887}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 51717120

約数和(自身を除く): 30886812

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 103, 114, 206, 228, 309, 412, 618, 887, 1236, 1774, 1957, 2661, 3548, 3914, 5322, 5871, 7828, 10644, 11742, 16853, 23484, 33706, 50559, 67412, 91361, 101118, 182722, 202236, 274083, 365444, 548166, 1096332, 1735859, 3471718, 5207577, 6943436, 10415154, 20830308]

約数ペア:

[(1, 20830308), (2, 10415154), (3, 6943436), (4, 5207577), (6, 3471718), (12, 1735859), (19, 1096332), (38, 548166), (57, 365444), (76, 274083), (103, 202236), (114, 182722), (206, 101118), (228, 91361), (309, 67412), (412, 50559), (618, 33706), (887, 23484), (1236, 16853), (1774, 11742), (1957, 10644), (2661, 7828), (3548, 5871), (3914, 5322)]