20160820218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1409}}^1\times {\mathrm{30971}}^1$

素因数の和:32403

約数の個数: 64

約数和(自身を含む): 50308439040

約数和(自身を除く): 30147618822

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 1409, 2818, 4227, 8454, 9863, 15499, 19726, 29589, 30971, 30998, 46497, 59178, 61942, 92913, 92994, 108493, 185826, 216797, 216986, 325479, 340681, 433594, 650391, 650958, 681362, 1022043, 1300782, 2044086, 2384767, 4769534, 7154301, 14308602, 43638139, 87276278, 130914417, 261828834, 305466973, 480019529, 610933946, 916400919, 960039058, 1440058587, 1832801838, 2880117174, 3360136703, 6720273406, 10080410109, 20160820218]

約数ペア:

[(1, 20160820218), (2, 10080410109), (3, 6720273406), (6, 3360136703), (7, 2880117174), (11, 1832801838), (14, 1440058587), (21, 960039058), (22, 916400919), (33, 610933946), (42, 480019529), (66, 305466973), (77, 261828834), (154, 130914417), (231, 87276278), (462, 43638139), (1409, 14308602), (2818, 7154301), (4227, 4769534), (8454, 2384767), (9863, 2044086), (15499, 1300782), (19726, 1022043), (29589, 681362), (30971, 650958), (30998, 650391), (46497, 433594), (59178, 340681), (61942, 325479), (92913, 216986), (92994, 216797), (108493, 185826)]