20797266

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 48854016

約数和(自身を除く): 28056750

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 127, 147, 254, 294, 381, 557, 762, 889, 1114, 1671, 1778, 2667, 3342, 3899, 5334, 6223, 7798, 11697, 12446, 18669, 23394, 27293, 37338, 54586, 70739, 81879, 141478, 163758, 212217, 424434, 495173, 990346, 1485519, 2971038, 3466211, 6932422, 10398633, 20797266]

約数ペア:

[(1, 20797266), (2, 10398633), (3, 6932422), (6, 3466211), (7, 2971038), (14, 1485519), (21, 990346), (42, 495173), (49, 424434), (98, 212217), (127, 163758), (147, 141478), (254, 81879), (294, 70739), (381, 54586), (557, 37338), (762, 27293), (889, 23394), (1114, 18669), (1671, 12446), (1778, 11697), (2667, 7798), (3342, 6223), (3899, 5334)]