20790168

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2633}}^1$

素因数の和:2696

約数の個数: 64

約数和(自身を含む): 60687360

約数和(自身を除く): 39897192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 141, 168, 188, 282, 329, 376, 564, 658, 987, 1128, 1316, 1974, 2632, 2633, 3948, 5266, 7896, 7899, 10532, 15798, 18431, 21064, 31596, 36862, 55293, 63192, 73724, 110586, 123751, 147448, 221172, 247502, 371253, 442344, 495004, 742506, 866257, 990008, 1485012, 1732514, 2598771, 2970024, 3465028, 5197542, 6930056, 10395084, 20790168]

約数ペア:

[(1, 20790168), (2, 10395084), (3, 6930056), (4, 5197542), (6, 3465028), (7, 2970024), (8, 2598771), (12, 1732514), (14, 1485012), (21, 990008), (24, 866257), (28, 742506), (42, 495004), (47, 442344), (56, 371253), (84, 247502), (94, 221172), (141, 147448), (168, 123751), (188, 110586), (282, 73724), (329, 63192), (376, 55293), (564, 36862), (658, 31596), (987, 21064), (1128, 18431), (1316, 15798), (1974, 10532), (2632, 7899), (2633, 7896), (3948, 5266)]