20194815

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1201}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 34617600

約数和(自身を除く): 14422785

約数列:

[1, 3, 5, 15, 19, 57, 59, 95, 177, 285, 295, 885, 1121, 1201, 3363, 3603, 5605, 6005, 16815, 18015, 22819, 68457, 70859, 114095, 212577, 342285, 354295, 1062885, 1346321, 4038963, 6731605, 20194815]

約数ペア:

[(1, 20194815), (3, 6731605), (5, 4038963), (15, 1346321), (19, 1062885), (57, 354295), (59, 342285), (95, 212577), (177, 114095), (285, 70859), (295, 68457), (885, 22819), (1121, 18015), (1201, 16815), (3363, 6005), (3603, 5605)]