20193550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:733

約数の個数: 48

約数和(自身を含む): 41372352

約数和(自身を除く): 21178802

約数列:

[1, 2, 5, 10, 13, 25, 26, 47, 50, 65, 94, 130, 235, 325, 470, 611, 650, 661, 1175, 1222, 1322, 2350, 3055, 3305, 6110, 6610, 8593, 15275, 16525, 17186, 30550, 31067, 33050, 42965, 62134, 85930, 155335, 214825, 310670, 403871, 429650, 776675, 807742, 1553350, 2019355, 4038710, 10096775, 20193550]

約数ペア:

[(1, 20193550), (2, 10096775), (5, 4038710), (10, 2019355), (13, 1553350), (25, 807742), (26, 776675), (47, 429650), (50, 403871), (65, 310670), (94, 214825), (130, 155335), (235, 85930), (325, 62134), (470, 42965), (611, 33050), (650, 31067), (661, 30550), (1175, 17186), (1222, 16525), (1322, 15275), (2350, 8593), (3055, 6610), (3305, 6110)]