20723856

素因数分解:

$2^4\times 3^1\times {\mathrm{97}}^1\times {\mathrm{4451}}^1$

素因数の和:4559

約数の個数: 40

約数和(自身を含む): 54100704

約数和(自身を除く): 33376848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 97, 194, 291, 388, 582, 776, 1164, 1552, 2328, 4451, 4656, 8902, 13353, 17804, 26706, 35608, 53412, 71216, 106824, 213648, 431747, 863494, 1295241, 1726988, 2590482, 3453976, 5180964, 6907952, 10361928, 20723856]

約数ペア:

[(1, 20723856), (2, 10361928), (3, 6907952), (4, 5180964), (6, 3453976), (8, 2590482), (12, 1726988), (16, 1295241), (24, 863494), (48, 431747), (97, 213648), (194, 106824), (291, 71216), (388, 53412), (582, 35608), (776, 26706), (1164, 17804), (1552, 13353), (2328, 8902), (4451, 4656)]