20771622

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 47443968

約数和(自身を除く): 26672346

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 131, 138, 207, 262, 383, 393, 414, 766, 786, 1149, 1179, 2298, 2358, 3013, 3447, 6026, 6894, 8809, 9039, 17618, 18078, 26427, 27117, 50173, 52854, 54234, 79281, 100346, 150519, 158562, 301038, 451557, 903114, 1153979, 2307958, 3461937, 6923874, 10385811, 20771622]

約数ペア:

[(1, 20771622), (2, 10385811), (3, 6923874), (6, 3461937), (9, 2307958), (18, 1153979), (23, 903114), (46, 451557), (69, 301038), (131, 158562), (138, 150519), (207, 100346), (262, 79281), (383, 54234), (393, 52854), (414, 50173), (766, 27117), (786, 26427), (1149, 18078), (1179, 17618), (2298, 9039), (2358, 8809), (3013, 6894), (3447, 6026)]