20477017092

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{440821}}^1$

素因数の和:440921

約数の個数: 72

約数和(自身を含む): 56284152960

約数和(自身を除く): 35807135868

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 79, 84, 98, 147, 158, 196, 237, 294, 316, 474, 553, 588, 948, 1106, 1659, 2212, 3318, 3871, 6636, 7742, 11613, 15484, 23226, 46452, 440821, 881642, 1322463, 1763284, 2644926, 3085747, 5289852, 6171494, 9257241, 12342988, 18514482, 21600229, 34824859, 37028964, 43200458, 64800687, 69649718, 86400916, 104474577, 129601374, 139299436, 208949154, 243774013, 259202748, 417898308, 487548026, 731322039, 975096052, 1462644078, 1706418091, 2925288156, 3412836182, 5119254273, 6825672364, 10238508546, 20477017092]

約数ペア:

[(1, 20477017092), (2, 10238508546), (3, 6825672364), (4, 5119254273), (6, 3412836182), (7, 2925288156), (12, 1706418091), (14, 1462644078), (21, 975096052), (28, 731322039), (42, 487548026), (49, 417898308), (79, 259202748), (84, 243774013), (98, 208949154), (147, 139299436), (158, 129601374), (196, 104474577), (237, 86400916), (294, 69649718), (316, 64800687), (474, 43200458), (553, 37028964), (588, 34824859), (948, 21600229), (1106, 18514482), (1659, 12342988), (2212, 9257241), (3318, 6171494), (3871, 5289852), (6636, 3085747), (7742, 2644926), (11613, 1763284), (15484, 1322463), (23226, 881642), (46452, 440821)]