20961312

素因数分解:

$2^5\times 3^1\times {\mathrm{97}}^1\times {\mathrm{2251}}^1$

素因数の和:2361

約数の個数: 48

約数和(自身を含む): 55615392

約数和(自身を除く): 34654080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 97, 194, 291, 388, 582, 776, 1164, 1552, 2251, 2328, 3104, 4502, 4656, 6753, 9004, 9312, 13506, 18008, 27012, 36016, 54024, 72032, 108048, 216096, 218347, 436694, 655041, 873388, 1310082, 1746776, 2620164, 3493552, 5240328, 6987104, 10480656, 20961312]

約数ペア:

[(1, 20961312), (2, 10480656), (3, 6987104), (4, 5240328), (6, 3493552), (8, 2620164), (12, 1746776), (16, 1310082), (24, 873388), (32, 655041), (48, 436694), (96, 218347), (97, 216096), (194, 108048), (291, 72032), (388, 54024), (582, 36016), (776, 27012), (1164, 18008), (1552, 13506), (2251, 9312), (2328, 9004), (3104, 6753), (4502, 4656)]