20805543390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{953}}^1\times {\mathrm{2767}}^1$

素因数の和:3993

約数の個数: 64

約数和(自身を含む): 50193893376

約数和(自身を除く): 29388349986

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 263, 526, 789, 953, 1315, 1578, 1906, 2630, 2767, 2859, 3945, 4765, 5534, 5718, 7890, 8301, 9530, 13835, 14295, 16602, 27670, 28590, 41505, 83010, 250639, 501278, 727721, 751917, 1253195, 1455442, 1503834, 2183163, 2506390, 2636951, 3638605, 3759585, 4366326, 5273902, 7277210, 7519170, 7910853, 10915815, 13184755, 15821706, 21831630, 26369510, 39554265, 79108530, 693518113, 1387036226, 2080554339, 3467590565, 4161108678, 6935181130, 10402771695, 20805543390]

約数ペア:

[(1, 20805543390), (2, 10402771695), (3, 6935181130), (5, 4161108678), (6, 3467590565), (10, 2080554339), (15, 1387036226), (30, 693518113), (263, 79108530), (526, 39554265), (789, 26369510), (953, 21831630), (1315, 15821706), (1578, 13184755), (1906, 10915815), (2630, 7910853), (2767, 7519170), (2859, 7277210), (3945, 5273902), (4765, 4366326), (5534, 3759585), (5718, 3638605), (7890, 2636951), (8301, 2506390), (9530, 2183163), (13835, 1503834), (14295, 1455442), (16602, 1253195), (27670, 751917), (28590, 727721), (41505, 501278), (83010, 250639)]