20162995195

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{1861}}^1$

素因数の和:2252

約数の個数: 64

約数和(自身を含む): 29635651584

約数和(自身を除く): 9472656389

約数列:

[1, 5, 7, 23, 35, 43, 115, 161, 215, 301, 313, 805, 989, 1505, 1565, 1861, 2191, 4945, 6923, 7199, 9305, 10955, 13027, 13459, 34615, 35995, 42803, 50393, 65135, 67295, 80023, 94213, 214015, 251965, 299621, 309557, 400115, 471065, 560161, 582493, 1498105, 1547785, 1840529, 2166899, 2800805, 2912465, 4077451, 9202645, 10834495, 12883703, 13397339, 20387255, 25047199, 64418515, 66986695, 93781373, 125235995, 175330393, 468906865, 576085577, 876651965, 2880427885, 4032599039, 20162995195]

約数ペア:

[(1, 20162995195), (5, 4032599039), (7, 2880427885), (23, 876651965), (35, 576085577), (43, 468906865), (115, 175330393), (161, 125235995), (215, 93781373), (301, 66986695), (313, 64418515), (805, 25047199), (989, 20387255), (1505, 13397339), (1565, 12883703), (1861, 10834495), (2191, 9202645), (4945, 4077451), (6923, 2912465), (7199, 2800805), (9305, 2166899), (10955, 1840529), (13027, 1547785), (13459, 1498105), (34615, 582493), (35995, 560161), (42803, 471065), (50393, 400115), (65135, 309557), (67295, 299621), (80023, 251965), (94213, 214015)]