20041096

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 42768000

約数和(自身を除く): 22726904

約数列:

[1, 2, 4, 8, 17, 23, 34, 43, 46, 68, 86, 92, 136, 149, 172, 184, 298, 344, 391, 596, 731, 782, 989, 1192, 1462, 1564, 1978, 2533, 2924, 3128, 3427, 3956, 5066, 5848, 6407, 6854, 7912, 10132, 12814, 13708, 16813, 20264, 25628, 27416, 33626, 51256, 58259, 67252, 108919, 116518, 134504, 147361, 217838, 233036, 294722, 435676, 466072, 589444, 871352, 1178888, 2505137, 5010274, 10020548, 20041096]

約数ペア:

[(1, 20041096), (2, 10020548), (4, 5010274), (8, 2505137), (17, 1178888), (23, 871352), (34, 589444), (43, 466072), (46, 435676), (68, 294722), (86, 233036), (92, 217838), (136, 147361), (149, 134504), (172, 116518), (184, 108919), (298, 67252), (344, 58259), (391, 51256), (596, 33626), (731, 27416), (782, 25628), (989, 20264), (1192, 16813), (1462, 13708), (1564, 12814), (1978, 10132), (2533, 7912), (2924, 6854), (3128, 6407), (3427, 5848), (3956, 5066)]