20120309988

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1\times {\mathrm{78193}}^1$

素因数の和:78764

約数の個数: 48

約数和(自身を含む): 48185019456

約数和(自身を除く): 28064709468

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 523, 1046, 1569, 2092, 3138, 6276, 21443, 42886, 64329, 78193, 85772, 128658, 156386, 234579, 257316, 312772, 469158, 938316, 3205913, 6411826, 9617739, 12823652, 19235478, 38470956, 40894939, 81789878, 122684817, 163579756, 245369634, 490739268, 1676692499, 3353384998, 5030077497, 6706769996, 10060154994, 20120309988]

約数ペア:

[(1, 20120309988), (2, 10060154994), (3, 6706769996), (4, 5030077497), (6, 3353384998), (12, 1676692499), (41, 490739268), (82, 245369634), (123, 163579756), (164, 122684817), (246, 81789878), (492, 40894939), (523, 38470956), (1046, 19235478), (1569, 12823652), (2092, 9617739), (3138, 6411826), (6276, 3205913), (21443, 938316), (42886, 469158), (64329, 312772), (78193, 257316), (85772, 234579), (128658, 156386)]