20404650

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19433}}^1$

素因数の和:19455

約数の個数: 48

約数和(自身を含む): 57835584

約数和(自身を除く): 37430934

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 19433, 38866, 58299, 97165, 116598, 136031, 194330, 272062, 291495, 408093, 485825, 582990, 680155, 816186, 971650, 1360310, 1457475, 2040465, 2914950, 3400775, 4080930, 6801550, 10202325, 20404650]

約数ペア:

[(1, 20404650), (2, 10202325), (3, 6801550), (5, 4080930), (6, 3400775), (7, 2914950), (10, 2040465), (14, 1457475), (15, 1360310), (21, 971650), (25, 816186), (30, 680155), (35, 582990), (42, 485825), (50, 408093), (70, 291495), (75, 272062), (105, 194330), (150, 136031), (175, 116598), (210, 97165), (350, 58299), (525, 38866), (1050, 19433)]