20459745775

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{212183}}^1$

素因数の和:212248

約数の個数: 48

約数和(自身を含む): 31572979200

約数和(自身を除く): 11113233425

約数列:

[1, 5, 7, 19, 25, 29, 35, 95, 133, 145, 175, 203, 475, 551, 665, 725, 1015, 2755, 3325, 3857, 5075, 13775, 19285, 96425, 212183, 1060915, 1485281, 4031477, 5304575, 6153307, 7426405, 20157385, 28220339, 30766535, 37132025, 43073149, 100786925, 116912833, 141101695, 153832675, 215365745, 584564165, 705508475, 818389831, 1076828725, 2922820825, 4091949155, 20459745775]

約数ペア:

[(1, 20459745775), (5, 4091949155), (7, 2922820825), (19, 1076828725), (25, 818389831), (29, 705508475), (35, 584564165), (95, 215365745), (133, 153832675), (145, 141101695), (175, 116912833), (203, 100786925), (475, 43073149), (551, 37132025), (665, 30766535), (725, 28220339), (1015, 20157385), (2755, 7426405), (3325, 6153307), (3857, 5304575), (5075, 4031477), (13775, 1485281), (19285, 1060915), (96425, 212183)]