20843634

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 50054400

約数和(自身を除く): 29210766

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 109, 157, 174, 203, 218, 314, 327, 406, 471, 609, 654, 763, 942, 1099, 1218, 1526, 2198, 2289, 3161, 3297, 4553, 4578, 6322, 6594, 9106, 9483, 13659, 17113, 18966, 22127, 27318, 31871, 34226, 44254, 51339, 63742, 66381, 95613, 102678, 119791, 132762, 191226, 239582, 359373, 496277, 718746, 992554, 1488831, 2977662, 3473939, 6947878, 10421817, 20843634]

約数ペア:

[(1, 20843634), (2, 10421817), (3, 6947878), (6, 3473939), (7, 2977662), (14, 1488831), (21, 992554), (29, 718746), (42, 496277), (58, 359373), (87, 239582), (109, 191226), (157, 132762), (174, 119791), (203, 102678), (218, 95613), (314, 66381), (327, 63742), (406, 51339), (471, 44254), (609, 34226), (654, 31871), (763, 27318), (942, 22127), (1099, 18966), (1218, 17113), (1526, 13659), (2198, 9483), (2289, 9106), (3161, 6594), (3297, 6322), (4553, 4578)]