20199474

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 26031438

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 97, 138, 194, 207, 291, 414, 503, 582, 873, 1006, 1509, 1746, 2231, 3018, 4462, 4527, 6693, 9054, 11569, 13386, 20079, 23138, 34707, 40158, 48791, 69414, 97582, 104121, 146373, 208242, 292746, 439119, 878238, 1122193, 2244386, 3366579, 6733158, 10099737, 20199474]

約数ペア:

[(1, 20199474), (2, 10099737), (3, 6733158), (6, 3366579), (9, 2244386), (18, 1122193), (23, 878238), (46, 439119), (69, 292746), (97, 208242), (138, 146373), (194, 104121), (207, 97582), (291, 69414), (414, 48791), (503, 40158), (582, 34707), (873, 23138), (1006, 20079), (1509, 13386), (1746, 11569), (2231, 9054), (3018, 6693), (4462, 4527)]