20573751

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 36

約数和(自身を含む): 32025336

約数和(自身を除く): 11451585

約数列:

[1, 3, 11, 19, 33, 57, 121, 157, 209, 361, 363, 471, 627, 1083, 1727, 2299, 2983, 3971, 5181, 6897, 8949, 11913, 18997, 32813, 43681, 56677, 56991, 98439, 131043, 170031, 360943, 623447, 1082829, 1870341, 6857917, 20573751]

約数ペア:

[(1, 20573751), (3, 6857917), (11, 1870341), (19, 1082829), (33, 623447), (57, 360943), (121, 170031), (157, 131043), (209, 98439), (361, 56991), (363, 56677), (471, 43681), (627, 32813), (1083, 18997), (1727, 11913), (2299, 8949), (2983, 6897), (3971, 5181)]