20196135

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1061}}^1$

素因数の和:1125

約数の個数: 40

約数和(自身を含む): 37008576

約数和(自身を除く): 16812441

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1061, 1269, 2115, 3183, 3807, 5305, 6345, 9549, 15915, 19035, 28647, 47745, 49867, 85941, 143235, 149601, 249335, 429705, 448803, 748005, 1346409, 2244015, 4039227, 6732045, 20196135]

約数ペア:

[(1, 20196135), (3, 6732045), (5, 4039227), (9, 2244015), (15, 1346409), (27, 748005), (45, 448803), (47, 429705), (81, 249335), (135, 149601), (141, 143235), (235, 85941), (405, 49867), (423, 47745), (705, 28647), (1061, 19035), (1269, 15915), (2115, 9549), (3183, 6345), (3807, 5305)]