20157188316

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{448057}}^1$

素因数の和:448250

約数の個数: 48

約数和(自身を含む): 49379576064

約数和(自身を除く): 29222387748

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 163, 276, 326, 489, 652, 978, 1956, 3749, 7498, 11247, 14996, 22494, 44988, 448057, 896114, 1344171, 1792228, 2688342, 5376684, 10305311, 20610622, 30915933, 41221244, 61831866, 73033291, 123663732, 146066582, 219099873, 292133164, 438199746, 876399492, 1679765693, 3359531386, 5039297079, 6719062772, 10078594158, 20157188316]

約数ペア:

[(1, 20157188316), (2, 10078594158), (3, 6719062772), (4, 5039297079), (6, 3359531386), (12, 1679765693), (23, 876399492), (46, 438199746), (69, 292133164), (92, 219099873), (138, 146066582), (163, 123663732), (276, 73033291), (326, 61831866), (489, 41221244), (652, 30915933), (978, 20610622), (1956, 10305311), (3749, 5376684), (7498, 2688342), (11247, 1792228), (14996, 1344171), (22494, 896114), (44988, 448057)]