20638116

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{6907}}^1$

素因数の和:7000

約数の個数: 36

約数和(自身を含む): 52804752

約数和(自身を除く): 32166636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 249, 332, 498, 747, 996, 1494, 2988, 6907, 13814, 20721, 27628, 41442, 62163, 82884, 124326, 248652, 573281, 1146562, 1719843, 2293124, 3439686, 5159529, 6879372, 10319058, 20638116]

約数ペア:

[(1, 20638116), (2, 10319058), (3, 6879372), (4, 5159529), (6, 3439686), (9, 2293124), (12, 1719843), (18, 1146562), (36, 573281), (83, 248652), (166, 124326), (249, 82884), (332, 62163), (498, 41442), (747, 27628), (996, 20721), (1494, 13814), (2988, 6907)]