20868316

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6263}}^1$

素因数の和:6298

約数の個数: 36

約数和(自身を含む): 44988048

約数和(自身を除く): 24119732

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 6263, 12526, 25052, 43841, 87682, 106471, 175364, 212942, 306887, 425884, 613774, 745297, 1227548, 1490594, 2981188, 5217079, 10434158, 20868316]

約数ペア:

[(1, 20868316), (2, 10434158), (4, 5217079), (7, 2981188), (14, 1490594), (17, 1227548), (28, 745297), (34, 613774), (49, 425884), (68, 306887), (98, 212942), (119, 175364), (196, 106471), (238, 87682), (476, 43841), (833, 25052), (1666, 12526), (3332, 6263)]