20196700975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1\times {\mathrm{2243}}^1$

素因数の和:2640

約数の個数: 48

約数和(自身を含む): 27647516160

約数和(自身を除く): 7450815185

約数列:

[1, 5, 11, 25, 55, 137, 239, 275, 685, 1195, 1507, 2243, 2629, 3425, 5975, 7535, 11215, 13145, 24673, 32743, 37675, 56075, 65725, 123365, 163715, 307291, 360173, 536077, 616825, 818575, 1536455, 1800865, 2680385, 3380201, 5896847, 7682275, 9004325, 13401925, 16901005, 29484235, 73442549, 84505025, 147421175, 367212745, 807868039, 1836063725, 4039340195, 20196700975]

約数ペア:

[(1, 20196700975), (5, 4039340195), (11, 1836063725), (25, 807868039), (55, 367212745), (137, 147421175), (239, 84505025), (275, 73442549), (685, 29484235), (1195, 16901005), (1507, 13401925), (2243, 9004325), (2629, 7682275), (3425, 5896847), (5975, 3380201), (7535, 2680385), (11215, 1800865), (13145, 1536455), (24673, 818575), (32743, 616825), (37675, 536077), (56075, 360173), (65725, 307291), (123365, 163715)]