20805910411

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{1019}}^1$

素因数の和:1324

約数の個数: 64

約数和(自身を含む): 26723934720

約数和(自身を除く): 5918024309

約数列:

[1, 11, 13, 17, 37, 143, 187, 221, 227, 407, 481, 629, 1019, 2431, 2497, 2951, 3859, 5291, 6919, 8177, 8399, 11209, 13247, 17323, 32461, 37703, 42449, 50167, 89947, 92389, 109187, 142783, 145717, 190553, 225199, 231313, 414733, 490139, 551837, 640951, 1201057, 1570613, 1856179, 2477189, 2544443, 3007069, 3932321, 5391529, 7050461, 8332363, 8558581, 20417969, 33077759, 43255531, 51120173, 91655993, 94144391, 111261553, 145495877, 562321903, 1223877083, 1600454647, 1891446401, 20805910411]

約数ペア:

[(1, 20805910411), (11, 1891446401), (13, 1600454647), (17, 1223877083), (37, 562321903), (143, 145495877), (187, 111261553), (221, 94144391), (227, 91655993), (407, 51120173), (481, 43255531), (629, 33077759), (1019, 20417969), (2431, 8558581), (2497, 8332363), (2951, 7050461), (3859, 5391529), (5291, 3932321), (6919, 3007069), (8177, 2544443), (8399, 2477189), (11209, 1856179), (13247, 1570613), (17323, 1201057), (32461, 640951), (37703, 551837), (42449, 490139), (50167, 414733), (89947, 231313), (92389, 225199), (109187, 190553), (142783, 145717)]