20174866852

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1\times {\mathrm{55057}}^1$

素因数の和:55660

約数の個数: 48

約数和(自身を含む): 42178832640

約数和(自身を除く): 22003965788

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 569, 644, 1138, 2276, 3983, 7966, 13087, 15932, 26174, 52348, 55057, 91609, 110114, 183218, 220228, 366436, 385399, 770798, 1266311, 1541596, 2532622, 5065244, 8864177, 17728354, 31327433, 35456708, 62654866, 125309732, 219292031, 438584062, 720530959, 877168124, 1441061918, 2882123836, 5043716713, 10087433426, 20174866852]

約数ペア:

[(1, 20174866852), (2, 10087433426), (4, 5043716713), (7, 2882123836), (14, 1441061918), (23, 877168124), (28, 720530959), (46, 438584062), (92, 219292031), (161, 125309732), (322, 62654866), (569, 35456708), (644, 31327433), (1138, 17728354), (2276, 8864177), (3983, 5065244), (7966, 2532622), (13087, 1541596), (15932, 1266311), (26174, 770798), (52348, 385399), (55057, 366436), (91609, 220228), (110114, 183218)]