20795130

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25673}}^1$

素因数の和:25692

約数の個数: 40

約数和(自身を含む): 55917972

約数和(自身を除く): 35122842

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25673, 51346, 77019, 128365, 154038, 231057, 256730, 385095, 462114, 693171, 770190, 1155285, 1386342, 2079513, 2310570, 3465855, 4159026, 6931710, 10397565, 20795130]

約数ペア:

[(1, 20795130), (2, 10397565), (3, 6931710), (5, 4159026), (6, 3465855), (9, 2310570), (10, 2079513), (15, 1386342), (18, 1155285), (27, 770190), (30, 693171), (45, 462114), (54, 385095), (81, 256730), (90, 231057), (135, 154038), (162, 128365), (270, 77019), (405, 51346), (810, 25673)]