20290284

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{26839}}^1$

素因数の和:26859

約数の個数: 48

約数和(自身を含む): 60121600

約数和(自身を除く): 39831316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 26839, 53678, 80517, 107356, 161034, 187873, 241551, 322068, 375746, 483102, 563619, 724653, 751492, 966204, 1127238, 1449306, 1690857, 2254476, 2898612, 3381714, 5072571, 6763428, 10145142, 20290284]

約数ペア:

[(1, 20290284), (2, 10145142), (3, 6763428), (4, 5072571), (6, 3381714), (7, 2898612), (9, 2254476), (12, 1690857), (14, 1449306), (18, 1127238), (21, 966204), (27, 751492), (28, 724653), (36, 563619), (42, 483102), (54, 375746), (63, 322068), (84, 241551), (108, 187873), (126, 161034), (189, 107356), (252, 80517), (378, 53678), (756, 26839)]