20123077688

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18912667}}^1$

素因数の和:18912699

約数の個数: 32

約数和(自身を含む): 45390403200

約数和(自身を除く): 25267325512

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 18912667, 37825334, 75650668, 132388669, 151301336, 264777338, 359340673, 529554676, 718681346, 1059109352, 1437362692, 2515384711, 2874725384, 5030769422, 10061538844, 20123077688]

約数ペア:

[(1, 20123077688), (2, 10061538844), (4, 5030769422), (7, 2874725384), (8, 2515384711), (14, 1437362692), (19, 1059109352), (28, 718681346), (38, 529554676), (56, 359340673), (76, 264777338), (133, 151301336), (152, 132388669), (266, 75650668), (532, 37825334), (1064, 18912667)]