20189739258

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{837679}}^1$

素因数の和:837803

約数の個数: 48

約数和(自身を含む): 47566821120

約数和(自身を除く): 27377081862

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 103, 117, 206, 234, 309, 618, 927, 1339, 1854, 2678, 4017, 8034, 12051, 24102, 837679, 1675358, 2513037, 5026074, 7539111, 10889827, 15078222, 21779654, 32669481, 65338962, 86280937, 98008443, 172561874, 196016886, 258842811, 517685622, 776528433, 1121652181, 1553056866, 2243304362, 3364956543, 6729913086, 10094869629, 20189739258]

約数ペア:

[(1, 20189739258), (2, 10094869629), (3, 6729913086), (6, 3364956543), (9, 2243304362), (13, 1553056866), (18, 1121652181), (26, 776528433), (39, 517685622), (78, 258842811), (103, 196016886), (117, 172561874), (206, 98008443), (234, 86280937), (309, 65338962), (618, 32669481), (927, 21779654), (1339, 15078222), (1854, 10889827), (2678, 7539111), (4017, 5026074), (8034, 2513037), (12051, 1675358), (24102, 837679)]