20735130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{673}}^1$

素因数の和:775

約数の個数: 64

約数和(自身を含む): 54351360

約数和(自身を除く): 33616230

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 130, 158, 195, 237, 390, 395, 474, 673, 790, 1027, 1185, 1346, 2019, 2054, 2370, 3081, 3365, 4038, 5135, 6162, 6730, 8749, 10095, 10270, 15405, 17498, 20190, 26247, 30810, 43745, 52494, 53167, 87490, 106334, 131235, 159501, 262470, 265835, 319002, 531670, 691171, 797505, 1382342, 1595010, 2073513, 3455855, 4147026, 6911710, 10367565, 20735130]

約数ペア:

[(1, 20735130), (2, 10367565), (3, 6911710), (5, 4147026), (6, 3455855), (10, 2073513), (13, 1595010), (15, 1382342), (26, 797505), (30, 691171), (39, 531670), (65, 319002), (78, 265835), (79, 262470), (130, 159501), (158, 131235), (195, 106334), (237, 87490), (390, 53167), (395, 52494), (474, 43745), (673, 30810), (790, 26247), (1027, 20190), (1185, 17498), (1346, 15405), (2019, 10270), (2054, 10095), (2370, 8749), (3081, 6730), (3365, 6162), (4038, 5135)]