20469088

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 43110144

約数和(自身を除く): 22641056

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 191, 197, 272, 382, 394, 544, 764, 788, 1528, 1576, 3056, 3152, 3247, 3349, 6112, 6304, 6494, 6698, 12988, 13396, 25976, 26792, 37627, 51952, 53584, 75254, 103904, 107168, 150508, 301016, 602032, 639659, 1204064, 1279318, 2558636, 5117272, 10234544, 20469088]

約数ペア:

[(1, 20469088), (2, 10234544), (4, 5117272), (8, 2558636), (16, 1279318), (17, 1204064), (32, 639659), (34, 602032), (68, 301016), (136, 150508), (191, 107168), (197, 103904), (272, 75254), (382, 53584), (394, 51952), (544, 37627), (764, 26792), (788, 25976), (1528, 13396), (1576, 12988), (3056, 6698), (3152, 6494), (3247, 6304), (3349, 6112)]