20185561712

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{557489}}^1$

素因数の和:557601

約数の個数: 40

約数和(自身を含む): 40924225920

約数和(自身を除く): 20738664208

約数列:

[1, 2, 4, 8, 16, 31, 62, 73, 124, 146, 248, 292, 496, 584, 1168, 2263, 4526, 9052, 18104, 36208, 557489, 1114978, 2229956, 4459912, 8919824, 17282159, 34564318, 40696697, 69128636, 81393394, 138257272, 162786788, 276514544, 325573576, 651147152, 1261597607, 2523195214, 5046390428, 10092780856, 20185561712]

約数ペア:

[(1, 20185561712), (2, 10092780856), (4, 5046390428), (8, 2523195214), (16, 1261597607), (31, 651147152), (62, 325573576), (73, 276514544), (124, 162786788), (146, 138257272), (248, 81393394), (292, 69128636), (496, 40696697), (584, 34564318), (1168, 17282159), (2263, 8919824), (4526, 4459912), (9052, 2229956), (18104, 1114978), (36208, 557489)]