20154164

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 18553036

約数列:

[1, 2, 4, 23, 46, 47, 59, 79, 92, 94, 118, 158, 188, 236, 316, 1081, 1357, 1817, 2162, 2714, 2773, 3634, 3713, 4324, 4661, 5428, 5546, 7268, 7426, 9322, 11092, 14852, 18644, 63779, 85399, 107203, 127558, 170798, 214406, 219067, 255116, 341596, 428812, 438134, 876268, 5038541, 10077082, 20154164]

約数ペア:

[(1, 20154164), (2, 10077082), (4, 5038541), (23, 876268), (46, 438134), (47, 428812), (59, 341596), (79, 255116), (92, 219067), (94, 214406), (118, 170798), (158, 127558), (188, 107203), (236, 85399), (316, 63779), (1081, 18644), (1357, 14852), (1817, 11092), (2162, 9322), (2714, 7426), (2773, 7268), (3634, 5546), (3713, 5428), (4324, 4661)]