20161661504

素因数分解:

$2^6\times {\mathrm{167}}^1\times {\mathrm{439}}^1\times {\mathrm{4297}}^1$

素因数の和:4915

約数の個数: 56

約数和(自身を含む): 40348936320

約数和(自身を除く): 20187274816

約数列:

[1, 2, 4, 8, 16, 32, 64, 167, 334, 439, 668, 878, 1336, 1756, 2672, 3512, 4297, 5344, 7024, 8594, 10688, 14048, 17188, 28096, 34376, 68752, 73313, 137504, 146626, 275008, 293252, 586504, 717599, 1173008, 1435198, 1886383, 2346016, 2870396, 3772766, 4692032, 5740792, 7545532, 11481584, 15091064, 22963168, 30182128, 45926336, 60364256, 120728512, 315025961, 630051922, 1260103844, 2520207688, 5040415376, 10080830752, 20161661504]

約数ペア:

[(1, 20161661504), (2, 10080830752), (4, 5040415376), (8, 2520207688), (16, 1260103844), (32, 630051922), (64, 315025961), (167, 120728512), (334, 60364256), (439, 45926336), (668, 30182128), (878, 22963168), (1336, 15091064), (1756, 11481584), (2672, 7545532), (3512, 5740792), (4297, 4692032), (5344, 3772766), (7024, 2870396), (8594, 2346016), (10688, 1886383), (14048, 1435198), (17188, 1173008), (28096, 717599), (34376, 586504), (68752, 293252), (73313, 275008), (137504, 146626)]