16620216

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 26925384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 89, 93, 124, 178, 186, 248, 251, 267, 356, 372, 502, 534, 712, 744, 753, 1004, 1068, 1506, 2008, 2136, 2759, 3012, 5518, 6024, 7781, 8277, 11036, 15562, 16554, 22072, 22339, 23343, 31124, 33108, 44678, 46686, 62248, 66216, 67017, 89356, 93372, 134034, 178712, 186744, 268068, 536136, 692509, 1385018, 2077527, 2770036, 4155054, 5540072, 8310108, 16620216]

約数ペア:

[(1, 16620216), (2, 8310108), (3, 5540072), (4, 4155054), (6, 2770036), (8, 2077527), (12, 1385018), (24, 692509), (31, 536136), (62, 268068), (89, 186744), (93, 178712), (124, 134034), (178, 93372), (186, 89356), (248, 67017), (251, 66216), (267, 62248), (356, 46686), (372, 44678), (502, 33108), (534, 31124), (712, 23343), (744, 22339), (753, 22072), (1004, 16554), (1068, 15562), (1506, 11036), (2008, 8277), (2136, 7781), (2759, 6024), (3012, 5518)]