20053944

素因数分解:

$2^3\times 3^2\times {\mathrm{223}}^1\times {\mathrm{1249}}^1$

素因数の和:1484

約数の個数: 48

約数和(自身を含む): 54600000

約数和(自身を除く): 34546056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 223, 446, 669, 892, 1249, 1338, 1784, 2007, 2498, 2676, 3747, 4014, 4996, 5352, 7494, 8028, 9992, 11241, 14988, 16056, 22482, 29976, 44964, 89928, 278527, 557054, 835581, 1114108, 1671162, 2228216, 2506743, 3342324, 5013486, 6684648, 10026972, 20053944]

約数ペア:

[(1, 20053944), (2, 10026972), (3, 6684648), (4, 5013486), (6, 3342324), (8, 2506743), (9, 2228216), (12, 1671162), (18, 1114108), (24, 835581), (36, 557054), (72, 278527), (223, 89928), (446, 44964), (669, 29976), (892, 22482), (1249, 16056), (1338, 14988), (1784, 11241), (2007, 9992), (2498, 8028), (2676, 7494), (3747, 5352), (4014, 4996)]