20178834208

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1183093}}^1$

素因数の和:1183157

約数の個数: 48

約数和(自身を含む): 43826534136

約数和(自身を除く): 23647699928

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 208, 328, 416, 533, 656, 1066, 1312, 2132, 4264, 8528, 17056, 1183093, 2366186, 4732372, 9464744, 15380209, 18929488, 30760418, 37858976, 48506813, 61520836, 97013626, 123041672, 194027252, 246083344, 388054504, 492166688, 630588569, 776109008, 1261177138, 1552218016, 2522354276, 5044708552, 10089417104, 20178834208]

約数ペア:

[(1, 20178834208), (2, 10089417104), (4, 5044708552), (8, 2522354276), (13, 1552218016), (16, 1261177138), (26, 776109008), (32, 630588569), (41, 492166688), (52, 388054504), (82, 246083344), (104, 194027252), (164, 123041672), (208, 97013626), (328, 61520836), (416, 48506813), (533, 37858976), (656, 30760418), (1066, 18929488), (1312, 15380209), (2132, 9464744), (4264, 4732372), (8528, 2366186), (17056, 1183093)]