20930715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{967}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 40168128

約数和(自身を除く): 19237413

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 185, 195, 333, 481, 555, 585, 967, 1443, 1665, 2405, 2901, 4329, 4835, 7215, 8703, 12571, 14505, 21645, 35779, 37713, 43515, 62855, 107337, 113139, 178895, 188565, 322011, 465127, 536685, 565695, 1395381, 1610055, 2325635, 4186143, 6976905, 20930715]

約数ペア:

[(1, 20930715), (3, 6976905), (5, 4186143), (9, 2325635), (13, 1610055), (15, 1395381), (37, 565695), (39, 536685), (45, 465127), (65, 322011), (111, 188565), (117, 178895), (185, 113139), (195, 107337), (333, 62855), (481, 43515), (555, 37713), (585, 35779), (967, 21645), (1443, 14505), (1665, 12571), (2405, 8703), (2901, 7215), (4329, 4835)]