20921334723

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{1579}}^1\times {\mathrm{4421}}^1$

素因数の和:6049

約数の個数: 40

約数和(自身を含む): 32125122480

約数和(自身を除く): 11203787757

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 1579, 2997, 4421, 4737, 13263, 14211, 39789, 42633, 58423, 119367, 127899, 163577, 175269, 358101, 490731, 525807, 1472193, 1577421, 4416579, 4732263, 6980759, 13249737, 20942277, 62826831, 188480493, 258288083, 565441479, 774864249, 2324592747, 6973778241, 20921334723]

約数ペア:

[(1, 20921334723), (3, 6973778241), (9, 2324592747), (27, 774864249), (37, 565441479), (81, 258288083), (111, 188480493), (333, 62826831), (999, 20942277), (1579, 13249737), (2997, 6980759), (4421, 4732263), (4737, 4416579), (13263, 1577421), (14211, 1472193), (39789, 525807), (42633, 490731), (58423, 358101), (119367, 175269), (127899, 163577)]