20172857685

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{1361}}^1$

素因数の和:1694

約数の個数: 64

約数和(自身を含む): 33366864384

約数和(自身を除く): 13194006699

約数列:

[1, 3, 5, 15, 61, 97, 167, 183, 291, 305, 485, 501, 835, 915, 1361, 1455, 2505, 4083, 5917, 6805, 10187, 16199, 17751, 20415, 29585, 30561, 48597, 50935, 80995, 83021, 88755, 132017, 152805, 227287, 242985, 249063, 396051, 415105, 660085, 681861, 988139, 1136435, 1245315, 1980255, 2964417, 3409305, 4940695, 8053037, 13864507, 14822085, 22046839, 24159111, 40265185, 41593521, 66140517, 69322535, 110234195, 120795555, 207967605, 330702585, 1344857179, 4034571537, 6724285895, 20172857685]

約数ペア:

[(1, 20172857685), (3, 6724285895), (5, 4034571537), (15, 1344857179), (61, 330702585), (97, 207967605), (167, 120795555), (183, 110234195), (291, 69322535), (305, 66140517), (485, 41593521), (501, 40265185), (835, 24159111), (915, 22046839), (1361, 14822085), (1455, 13864507), (2505, 8053037), (4083, 4940695), (5917, 3409305), (6805, 2964417), (10187, 1980255), (16199, 1245315), (17751, 1136435), (20415, 988139), (29585, 681861), (30561, 660085), (48597, 415105), (50935, 396051), (80995, 249063), (83021, 242985), (88755, 227287), (132017, 152805)]