20184840016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1451729}}^1$

素因数の和:1451827

約数の個数: 40

約数和(自身を含む): 43203484800

約数和(自身を除く): 23018644784

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1738, 3476, 6952, 13904, 1451729, 2903458, 5806916, 11613832, 15969019, 23227664, 31938038, 63876076, 114686591, 127752152, 229373182, 255504304, 458746364, 917492728, 1261552501, 1834985456, 2523105002, 5046210004, 10092420008, 20184840016]

約数ペア:

[(1, 20184840016), (2, 10092420008), (4, 5046210004), (8, 2523105002), (11, 1834985456), (16, 1261552501), (22, 917492728), (44, 458746364), (79, 255504304), (88, 229373182), (158, 127752152), (176, 114686591), (316, 63876076), (632, 31938038), (869, 23227664), (1264, 15969019), (1738, 11613832), (3476, 5806916), (6952, 2903458), (13904, 1451729)]