20174994

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17791}}^1$

素因数の和:17812

約数の個数: 40

約数和(自身を含む): 51667968

約数和(自身を除く): 31492974

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 17791, 35582, 53373, 106746, 124537, 160119, 249074, 320238, 373611, 480357, 747222, 960714, 1120833, 1441071, 2241666, 2882142, 3362499, 6724998, 10087497, 20174994]

約数ペア:

[(1, 20174994), (2, 10087497), (3, 6724998), (6, 3362499), (7, 2882142), (9, 2241666), (14, 1441071), (18, 1120833), (21, 960714), (27, 747222), (42, 480357), (54, 373611), (63, 320238), (81, 249074), (126, 160119), (162, 124537), (189, 106746), (378, 53373), (567, 35582), (1134, 17791)]