20512385164

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{35129}}^1$

素因数の和:35458

約数の個数: 48

約数和(自身を含む): 39377076480

約数和(自身を除く): 18864691316

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 277, 527, 554, 1054, 1108, 2108, 4709, 8587, 9418, 17174, 18836, 34348, 35129, 70258, 140516, 145979, 291958, 583916, 597193, 1088999, 1194386, 2177998, 2388772, 4355996, 9730733, 18512983, 19461466, 37025966, 38922932, 74051932, 165422461, 301652723, 330844922, 603305446, 661689844, 1206610892, 5128096291, 10256192582, 20512385164]

約数ペア:

[(1, 20512385164), (2, 10256192582), (4, 5128096291), (17, 1206610892), (31, 661689844), (34, 603305446), (62, 330844922), (68, 301652723), (124, 165422461), (277, 74051932), (527, 38922932), (554, 37025966), (1054, 19461466), (1108, 18512983), (2108, 9730733), (4709, 4355996), (8587, 2388772), (9418, 2177998), (17174, 1194386), (18836, 1088999), (34348, 597193), (35129, 583916), (70258, 291958), (140516, 145979)]