20740944

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61729}}^1$

素因数の和:61747

約数の個数: 40

約数和(自身を含む): 61236160

約数和(自身を除く): 40495216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 61729, 123458, 185187, 246916, 370374, 432103, 493832, 740748, 864206, 987664, 1296309, 1481496, 1728412, 2592618, 2962992, 3456824, 5185236, 6913648, 10370472, 20740944]

約数ペア:

[(1, 20740944), (2, 10370472), (3, 6913648), (4, 5185236), (6, 3456824), (7, 2962992), (8, 2592618), (12, 1728412), (14, 1481496), (16, 1296309), (21, 987664), (24, 864206), (28, 740748), (42, 493832), (48, 432103), (56, 370374), (84, 246916), (112, 185187), (168, 123458), (336, 61729)]