2020145008

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^2\times {\mathrm{137}}^2$

素因数の和:351

約数の個数: 90

約数和(自身を含む): 4656113448

約数和(自身を除く): 2635968440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 137, 217, 248, 274, 434, 496, 548, 868, 959, 961, 1096, 1736, 1918, 1922, 2192, 3472, 3836, 3844, 4247, 6727, 7672, 7688, 8494, 13454, 15344, 15376, 16988, 18769, 26908, 29729, 33976, 37538, 53816, 59458, 67952, 75076, 107632, 118916, 131383, 131657, 150152, 237832, 262766, 263314, 300304, 475664, 525532, 526628, 581839, 921599, 1051064, 1053256, 1163678, 1843198, 2102128, 2106512, 2327356, 3686396, 4072873, 4654712, 7372792, 8145746, 9309424, 14745584, 16291492, 18037009, 32582984, 36074018, 65165968, 72148036, 126259063, 144296072, 252518126, 288592144, 505036252, 1010072504, 2020145008]

約数ペア:

[(1, 2020145008), (2, 1010072504), (4, 505036252), (7, 288592144), (8, 252518126), (14, 144296072), (16, 126259063), (28, 72148036), (31, 65165968), (56, 36074018), (62, 32582984), (112, 18037009), (124, 16291492), (137, 14745584), (217, 9309424), (248, 8145746), (274, 7372792), (434, 4654712), (496, 4072873), (548, 3686396), (868, 2327356), (959, 2106512), (961, 2102128), (1096, 1843198), (1736, 1163678), (1918, 1053256), (1922, 1051064), (2192, 921599), (3472, 581839), (3836, 526628), (3844, 525532), (4247, 475664), (6727, 300304), (7672, 263314), (7688, 262766), (8494, 237832), (13454, 150152), (15344, 131657), (15376, 131383), (16988, 118916), (18769, 107632), (26908, 75076), (29729, 67952), (33976, 59458), (37538, 53816)]