20348547845

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 26144778240

約数和(自身を除く): 5796230395

約数列:

[1, 5, 41, 53, 79, 151, 157, 205, 265, 395, 755, 785, 2173, 3239, 4187, 6191, 6437, 8003, 8321, 10865, 11929, 12403, 16195, 20935, 23707, 30955, 32185, 40015, 41605, 59645, 62015, 118535, 171667, 328123, 341161, 489089, 508523, 632237, 657359, 858335, 971987, 1256471, 1640615, 1705805, 1872853, 2445445, 2542615, 3161185, 3286795, 4859935, 6282355, 9364265, 25921717, 26951719, 51515311, 76786973, 99261209, 129608585, 134758595, 257576555, 383934865, 496306045, 4069709569, 20348547845]

約数ペア:

[(1, 20348547845), (5, 4069709569), (41, 496306045), (53, 383934865), (79, 257576555), (151, 134758595), (157, 129608585), (205, 99261209), (265, 76786973), (395, 51515311), (755, 26951719), (785, 25921717), (2173, 9364265), (3239, 6282355), (4187, 4859935), (6191, 3286795), (6437, 3161185), (8003, 2542615), (8321, 2445445), (10865, 1872853), (11929, 1705805), (12403, 1640615), (16195, 1256471), (20935, 971987), (23707, 858335), (30955, 657359), (32185, 632237), (40015, 508523), (41605, 489089), (59645, 341161), (62015, 328123), (118535, 171667)]