20177964

素因数分解:

$2^2\times 3^3\times {\mathrm{83}}^1\times {\mathrm{2251}}^1$

素因数の和:2347

約数の個数: 48

約数和(自身を含む): 52967040

約数和(自身を除く): 32789076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 83, 108, 166, 249, 332, 498, 747, 996, 1494, 2241, 2251, 2988, 4482, 4502, 6753, 8964, 9004, 13506, 20259, 27012, 40518, 60777, 81036, 121554, 186833, 243108, 373666, 560499, 747332, 1120998, 1681497, 2241996, 3362994, 5044491, 6725988, 10088982, 20177964]

約数ペア:

[(1, 20177964), (2, 10088982), (3, 6725988), (4, 5044491), (6, 3362994), (9, 2241996), (12, 1681497), (18, 1120998), (27, 747332), (36, 560499), (54, 373666), (83, 243108), (108, 186833), (166, 121554), (249, 81036), (332, 60777), (498, 40518), (747, 27012), (996, 20259), (1494, 13506), (2241, 9004), (2251, 8964), (2988, 6753), (4482, 4502)]