20637666

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18199}}^1$

素因数の和:18220

約数の個数: 40

約数和(自身を含む): 52852800

約数和(自身を除く): 32215134

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18199, 36398, 54597, 109194, 127393, 163791, 254786, 327582, 382179, 491373, 764358, 982746, 1146537, 1474119, 2293074, 2948238, 3439611, 6879222, 10318833, 20637666]

約数ペア:

[(1, 20637666), (2, 10318833), (3, 6879222), (6, 3439611), (7, 2948238), (9, 2293074), (14, 1474119), (18, 1146537), (21, 982746), (27, 764358), (42, 491373), (54, 382179), (63, 327582), (81, 254786), (126, 163791), (162, 127393), (189, 109194), (378, 54597), (567, 36398), (1134, 18199)]