20269150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 41582160

約数和(自身を除く): 21313010

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 137, 269, 274, 275, 538, 550, 685, 1345, 1370, 1507, 2690, 2959, 3014, 3425, 5918, 6725, 6850, 7535, 13450, 14795, 15070, 29590, 36853, 37675, 73706, 73975, 75350, 147950, 184265, 368530, 405383, 810766, 921325, 1842650, 2026915, 4053830, 10134575, 20269150]

約数ペア:

[(1, 20269150), (2, 10134575), (5, 4053830), (10, 2026915), (11, 1842650), (22, 921325), (25, 810766), (50, 405383), (55, 368530), (110, 184265), (137, 147950), (269, 75350), (274, 73975), (275, 73706), (538, 37675), (550, 36853), (685, 29590), (1345, 15070), (1370, 14795), (1507, 13450), (2690, 7535), (2959, 6850), (3014, 6725), (3425, 5918)]