20895798

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1513

約数の個数: 64

約数和(自身を含む): 53821440

約数和(自身を除く): 32925642

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 154, 186, 217, 231, 341, 434, 462, 651, 682, 1023, 1302, 1459, 2046, 2387, 2918, 4377, 4774, 7161, 8754, 10213, 14322, 16049, 20426, 30639, 32098, 45229, 48147, 61278, 90458, 96294, 112343, 135687, 224686, 271374, 316603, 337029, 497519, 633206, 674058, 949809, 995038, 1492557, 1899618, 2985114, 3482633, 6965266, 10447899, 20895798]

約数ペア:

[(1, 20895798), (2, 10447899), (3, 6965266), (6, 3482633), (7, 2985114), (11, 1899618), (14, 1492557), (21, 995038), (22, 949809), (31, 674058), (33, 633206), (42, 497519), (62, 337029), (66, 316603), (77, 271374), (93, 224686), (154, 135687), (186, 112343), (217, 96294), (231, 90458), (341, 61278), (434, 48147), (462, 45229), (651, 32098), (682, 30639), (1023, 20426), (1302, 16049), (1459, 14322), (2046, 10213), (2387, 8754), (2918, 7161), (4377, 4774)]