20125966905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{863}}^1\times {\mathrm{4283}}^1$

素因数の和:5179

約数の個数: 72

約数和(自身を含む): 38398074624

約数和(自身を除く): 18272107719

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 863, 1089, 1815, 2589, 4283, 4315, 5445, 7767, 9493, 12849, 12945, 21415, 28479, 38547, 38835, 47113, 47465, 64245, 85437, 104423, 141339, 142395, 192735, 235565, 313269, 424017, 427185, 518243, 522115, 706695, 939807, 1554729, 1566345, 2120085, 2591215, 3696229, 4664187, 4699035, 7773645, 11088687, 18481145, 23320935, 33266061, 40658519, 55443435, 121975557, 166330305, 203292595, 365926671, 447243709, 609877785, 1341731127, 1829633355, 2236218545, 4025193381, 6708655635, 20125966905]

約数ペア:

[(1, 20125966905), (3, 6708655635), (5, 4025193381), (9, 2236218545), (11, 1829633355), (15, 1341731127), (33, 609877785), (45, 447243709), (55, 365926671), (99, 203292595), (121, 166330305), (165, 121975557), (363, 55443435), (495, 40658519), (605, 33266061), (863, 23320935), (1089, 18481145), (1815, 11088687), (2589, 7773645), (4283, 4699035), (4315, 4664187), (5445, 3696229), (7767, 2591215), (9493, 2120085), (12849, 1566345), (12945, 1554729), (21415, 939807), (28479, 706695), (38547, 522115), (38835, 518243), (47113, 427185), (47465, 424017), (64245, 313269), (85437, 235565), (104423, 192735), (141339, 142395)]