20977236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83243}}^1$

素因数の和:83260

約数の個数: 36

約数和(自身を含む): 60601632

約数和(自身を除く): 39624396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 83243, 166486, 249729, 332972, 499458, 582701, 749187, 998916, 1165402, 1498374, 1748103, 2330804, 2996748, 3496206, 5244309, 6992412, 10488618, 20977236]

約数ペア:

[(1, 20977236), (2, 10488618), (3, 6992412), (4, 5244309), (6, 3496206), (7, 2996748), (9, 2330804), (12, 1748103), (14, 1498374), (18, 1165402), (21, 998916), (28, 749187), (36, 582701), (42, 499458), (63, 332972), (84, 249729), (126, 166486), (252, 83243)]