20809035

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 19833525

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 71, 117, 135, 167, 195, 213, 351, 355, 501, 585, 639, 835, 923, 1065, 1503, 1755, 1917, 2171, 2505, 2769, 3195, 4509, 4615, 6513, 7515, 8307, 9585, 10855, 11857, 13845, 19539, 22545, 24921, 32565, 35571, 41535, 58617, 59285, 97695, 106713, 124605, 154141, 177855, 293085, 320139, 462423, 533565, 770705, 1387269, 1600695, 2312115, 4161807, 6936345, 20809035]

約数ペア:

[(1, 20809035), (3, 6936345), (5, 4161807), (9, 2312115), (13, 1600695), (15, 1387269), (27, 770705), (39, 533565), (45, 462423), (65, 320139), (71, 293085), (117, 177855), (135, 154141), (167, 124605), (195, 106713), (213, 97695), (351, 59285), (355, 58617), (501, 41535), (585, 35571), (639, 32565), (835, 24921), (923, 22545), (1065, 19539), (1503, 13845), (1755, 11857), (1917, 10855), (2171, 9585), (2505, 8307), (2769, 7515), (3195, 6513), (4509, 4615)]