20775664

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:798

約数の個数: 80

約数和(自身を含む): 52218880

約数和(自身を除く): 31443216

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 751, 988, 1064, 1456, 1502, 1729, 1976, 2128, 3004, 3458, 3952, 5257, 6008, 6916, 9763, 10514, 12016, 13832, 14269, 19526, 21028, 27664, 28538, 39052, 42056, 57076, 68341, 78104, 84112, 99883, 114152, 136682, 156208, 185497, 199766, 228304, 273364, 370994, 399532, 546728, 741988, 799064, 1093456, 1298479, 1483976, 1598128, 2596958, 2967952, 5193916, 10387832, 20775664]

約数ペア:

[(1, 20775664), (2, 10387832), (4, 5193916), (7, 2967952), (8, 2596958), (13, 1598128), (14, 1483976), (16, 1298479), (19, 1093456), (26, 799064), (28, 741988), (38, 546728), (52, 399532), (56, 370994), (76, 273364), (91, 228304), (104, 199766), (112, 185497), (133, 156208), (152, 136682), (182, 114152), (208, 99883), (247, 84112), (266, 78104), (304, 68341), (364, 57076), (494, 42056), (532, 39052), (728, 28538), (751, 27664), (988, 21028), (1064, 19526), (1456, 14269), (1502, 13832), (1729, 12016), (1976, 10514), (2128, 9763), (3004, 6916), (3458, 6008), (3952, 5257)]