20175247911

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1493}}^1\times {\mathrm{49499}}^1$

素因数の和:51015

約数の個数: 32

約数和(自身を含む): 33130944000

約数和(自身を除く): 12955696089

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1493, 4479, 10451, 19409, 31353, 49499, 58227, 135863, 148497, 346493, 407589, 643487, 1039479, 1930461, 4504409, 13513227, 73902007, 221706021, 517314049, 960726091, 1551942147, 2882178273, 6725082637, 20175247911]

約数ペア:

[(1, 20175247911), (3, 6725082637), (7, 2882178273), (13, 1551942147), (21, 960726091), (39, 517314049), (91, 221706021), (273, 73902007), (1493, 13513227), (4479, 4504409), (10451, 1930461), (19409, 1039479), (31353, 643487), (49499, 407589), (58227, 346493), (135863, 148497)]