20098352

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3889}}^1$

素因数の和:3933

約数の個数: 40

約数和(自身を含む): 43412400

約数和(自身を除く): 23314048

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 3889, 5168, 7778, 15556, 31112, 62224, 66113, 73891, 132226, 147782, 264452, 295564, 528904, 591128, 1057808, 1182256, 1256147, 2512294, 5024588, 10049176, 20098352]

約数ペア:

[(1, 20098352), (2, 10049176), (4, 5024588), (8, 2512294), (16, 1256147), (17, 1182256), (19, 1057808), (34, 591128), (38, 528904), (68, 295564), (76, 264452), (136, 147782), (152, 132226), (272, 73891), (304, 66113), (323, 62224), (646, 31112), (1292, 15556), (2584, 7778), (3889, 5168)]