20218346824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1\times {\mathrm{5351}}^1$

素因数の和:6190

約数の個数: 64

約数和(自身を含む): 41755875840

約数和(自身を除く): 21537529016

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 773, 1222, 1546, 2444, 3092, 4888, 5351, 6184, 10049, 10702, 20098, 21404, 36331, 40196, 42808, 69563, 72662, 80392, 139126, 145324, 251497, 278252, 290648, 472303, 502994, 556504, 944606, 1005988, 1889212, 2011976, 3269461, 3778424, 4136323, 6538922, 8272646, 13077844, 16545292, 26155688, 33090584, 53772199, 107544398, 194407181, 215088796, 388814362, 430177592, 777628724, 1555257448, 2527293353, 5054586706, 10109173412, 20218346824]

約数ペア:

[(1, 20218346824), (2, 10109173412), (4, 5054586706), (8, 2527293353), (13, 1555257448), (26, 777628724), (47, 430177592), (52, 388814362), (94, 215088796), (104, 194407181), (188, 107544398), (376, 53772199), (611, 33090584), (773, 26155688), (1222, 16545292), (1546, 13077844), (2444, 8272646), (3092, 6538922), (4888, 4136323), (5351, 3778424), (6184, 3269461), (10049, 2011976), (10702, 1889212), (20098, 1005988), (21404, 944606), (36331, 556504), (40196, 502994), (42808, 472303), (69563, 290648), (72662, 278252), (80392, 251497), (139126, 145324)]