20161661544

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{9643}}^1$

素因数の和:10135

約数の個数: 96

約数和(自身を含む): 55514721600

約数和(自身を除く): 35353060056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 409, 426, 568, 639, 818, 852, 1227, 1278, 1636, 1704, 2454, 2556, 3272, 3681, 4908, 5112, 7362, 9643, 9816, 14724, 19286, 28929, 29039, 29448, 38572, 57858, 58078, 77144, 86787, 87117, 115716, 116156, 173574, 174234, 231432, 232312, 261351, 347148, 348468, 522702, 684653, 694296, 696936, 1045404, 1369306, 2053959, 2090808, 2738612, 3943987, 4107918, 5477224, 6161877, 7887974, 8215836, 11831961, 12323754, 15775948, 16431672, 23663922, 24647508, 31551896, 35495883, 47327844, 49295016, 70991766, 94655688, 141983532, 280023077, 283967064, 560046154, 840069231, 1120092308, 1680138462, 2240184616, 2520207693, 3360276924, 5040415386, 6720553848, 10080830772, 20161661544]

約数ペア:

[(1, 20161661544), (2, 10080830772), (3, 6720553848), (4, 5040415386), (6, 3360276924), (8, 2520207693), (9, 2240184616), (12, 1680138462), (18, 1120092308), (24, 840069231), (36, 560046154), (71, 283967064), (72, 280023077), (142, 141983532), (213, 94655688), (284, 70991766), (409, 49295016), (426, 47327844), (568, 35495883), (639, 31551896), (818, 24647508), (852, 23663922), (1227, 16431672), (1278, 15775948), (1636, 12323754), (1704, 11831961), (2454, 8215836), (2556, 7887974), (3272, 6161877), (3681, 5477224), (4908, 4107918), (5112, 3943987), (7362, 2738612), (9643, 2090808), (9816, 2053959), (14724, 1369306), (19286, 1045404), (28929, 696936), (29039, 694296), (29448, 684653), (38572, 522702), (57858, 348468), (58078, 347148), (77144, 261351), (86787, 232312), (87117, 231432), (115716, 174234), (116156, 173574)]