20290199280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6503269}}^1$

素因数の和:6503298

約数の個数: 80

約数和(自身を含む): 67738060320

約数和(自身を除く): 47447861040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6503269, 13006538, 19509807, 26013076, 32516345, 39019614, 52026152, 65032690, 78039228, 84542497, 97549035, 104052304, 130065380, 156078456, 169084994, 195098070, 253627491, 260130760, 312156912, 338169988, 390196140, 422712485, 507254982, 520261520, 676339976, 780392280, 845424970, 1014509964, 1268137455, 1352679952, 1560784560, 1690849940, 2029019928, 2536274910, 3381699880, 4058039856, 5072549820, 6763399760, 10145099640, 20290199280]

約数ペア:

[(1, 20290199280), (2, 10145099640), (3, 6763399760), (4, 5072549820), (5, 4058039856), (6, 3381699880), (8, 2536274910), (10, 2029019928), (12, 1690849940), (13, 1560784560), (15, 1352679952), (16, 1268137455), (20, 1014509964), (24, 845424970), (26, 780392280), (30, 676339976), (39, 520261520), (40, 507254982), (48, 422712485), (52, 390196140), (60, 338169988), (65, 312156912), (78, 260130760), (80, 253627491), (104, 195098070), (120, 169084994), (130, 156078456), (156, 130065380), (195, 104052304), (208, 97549035), (240, 84542497), (260, 78039228), (312, 65032690), (390, 52026152), (520, 39019614), (624, 32516345), (780, 26013076), (1040, 19509807), (1560, 13006538), (3120, 6503269)]