20121129576

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{123491}}^1$

素因数の和:123607

約数の個数: 96

約数和(自身を含む): 57023665920

約数和(自身を除く): 36902536344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 73, 93, 124, 146, 186, 219, 248, 279, 292, 372, 438, 558, 584, 657, 744, 876, 1116, 1314, 1752, 2232, 2263, 2628, 4526, 5256, 6789, 9052, 13578, 18104, 20367, 27156, 40734, 54312, 81468, 123491, 162936, 246982, 370473, 493964, 740946, 987928, 1111419, 1481892, 2222838, 2963784, 3828221, 4445676, 7656442, 8891352, 9014843, 11484663, 15312884, 18029686, 22969326, 27044529, 30625768, 34453989, 36059372, 45938652, 54089058, 68907978, 72118744, 81133587, 91877304, 108178116, 137815956, 162267174, 216356232, 275631912, 279460133, 324534348, 558920266, 649068696, 838380399, 1117840532, 1676760798, 2235681064, 2515141197, 3353521596, 5030282394, 6707043192, 10060564788, 20121129576]

約数ペア:

[(1, 20121129576), (2, 10060564788), (3, 6707043192), (4, 5030282394), (6, 3353521596), (8, 2515141197), (9, 2235681064), (12, 1676760798), (18, 1117840532), (24, 838380399), (31, 649068696), (36, 558920266), (62, 324534348), (72, 279460133), (73, 275631912), (93, 216356232), (124, 162267174), (146, 137815956), (186, 108178116), (219, 91877304), (248, 81133587), (279, 72118744), (292, 68907978), (372, 54089058), (438, 45938652), (558, 36059372), (584, 34453989), (657, 30625768), (744, 27044529), (876, 22969326), (1116, 18029686), (1314, 15312884), (1752, 11484663), (2232, 9014843), (2263, 8891352), (2628, 7656442), (4526, 4445676), (5256, 3828221), (6789, 2963784), (9052, 2222838), (13578, 1481892), (18104, 1111419), (20367, 987928), (27156, 740946), (40734, 493964), (54312, 370473), (81468, 246982), (123491, 162936)]