20176437078

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{409}}^1\times {\mathrm{55931}}^1$

素因数の和:56362

約数の個数: 72

約数和(自身を含む): 50978102760

約数和(自身を除く): 30801665682

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 409, 441, 818, 882, 1227, 2454, 2863, 3681, 5726, 7362, 8589, 17178, 20041, 25767, 40082, 51534, 55931, 60123, 111862, 120246, 167793, 180369, 335586, 360738, 391517, 503379, 783034, 1006758, 1174551, 2349102, 2740619, 3523653, 5481238, 7047306, 8221857, 16443714, 22875779, 24665571, 45751558, 49331142, 68627337, 137254674, 160130453, 205882011, 320260906, 411764022, 480391359, 960782718, 1120913171, 1441174077, 2241826342, 2882348154, 3362739513, 6725479026, 10088218539, 20176437078]

約数ペア:

[(1, 20176437078), (2, 10088218539), (3, 6725479026), (6, 3362739513), (7, 2882348154), (9, 2241826342), (14, 1441174077), (18, 1120913171), (21, 960782718), (42, 480391359), (49, 411764022), (63, 320260906), (98, 205882011), (126, 160130453), (147, 137254674), (294, 68627337), (409, 49331142), (441, 45751558), (818, 24665571), (882, 22875779), (1227, 16443714), (2454, 8221857), (2863, 7047306), (3681, 5481238), (5726, 3523653), (7362, 2740619), (8589, 2349102), (17178, 1174551), (20041, 1006758), (25767, 783034), (40082, 503379), (51534, 391517), (55931, 360738), (60123, 335586), (111862, 180369), (120246, 167793)]