20596815

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5261}}^1$

素因数の和:5304

約数の個数: 32

約数和(自身を含む): 37886400

約数和(自身を除く): 17289585

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 5261, 15783, 26305, 47349, 78915, 142047, 152569, 236745, 457707, 710235, 762845, 1373121, 2288535, 4119363, 6865605, 20596815]

約数ペア:

[(1, 20596815), (3, 6865605), (5, 4119363), (9, 2288535), (15, 1373121), (27, 762845), (29, 710235), (45, 457707), (87, 236745), (135, 152569), (145, 142047), (261, 78915), (435, 47349), (783, 26305), (1305, 15783), (3915, 5261)]