20199806991

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3523427}}^1$

素因数の和:3523460

約数の個数: 36

約数和(自身を含む): 36552042072

約数和(自身を除く): 16352235081

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 3523427, 10570281, 24663989, 31710843, 45804551, 73991967, 137413653, 172647923, 221975901, 320631857, 412240959, 517943769, 961895571, 1553831307, 2244422999, 2885686713, 6733268997, 20199806991]

約数ペア:

[(1, 20199806991), (3, 6733268997), (7, 2885686713), (9, 2244422999), (13, 1553831307), (21, 961895571), (39, 517943769), (49, 412240959), (63, 320631857), (91, 221975901), (117, 172647923), (147, 137413653), (273, 73991967), (441, 45804551), (637, 31710843), (819, 24663989), (1911, 10570281), (5733, 3523427)]