20189020905

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{149101}}^1$

素因数の和:149191

約数の個数: 64

約数和(自身を含む): 38647238400

約数和(自身を除く): 18458217495

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 59, 85, 135, 153, 177, 255, 295, 459, 531, 765, 885, 1003, 1593, 2295, 2655, 3009, 5015, 7965, 9027, 15045, 27081, 45135, 135405, 149101, 447303, 745505, 1341909, 2236515, 2534717, 4025727, 6709545, 7604151, 8796959, 12673585, 20128635, 22812453, 26390877, 38020755, 43984795, 68437359, 79172631, 114062265, 131954385, 149548303, 237517893, 342186795, 395863155, 448644909, 747741515, 1187589465, 1345934727, 2243224545, 4037804181, 6729673635, 20189020905]

約数ペア:

[(1, 20189020905), (3, 6729673635), (5, 4037804181), (9, 2243224545), (15, 1345934727), (17, 1187589465), (27, 747741515), (45, 448644909), (51, 395863155), (59, 342186795), (85, 237517893), (135, 149548303), (153, 131954385), (177, 114062265), (255, 79172631), (295, 68437359), (459, 43984795), (531, 38020755), (765, 26390877), (885, 22812453), (1003, 20128635), (1593, 12673585), (2295, 8796959), (2655, 7604151), (3009, 6709545), (5015, 4025727), (7965, 2534717), (9027, 2236515), (15045, 1341909), (27081, 745505), (45135, 447303), (135405, 149101)]