20320852015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{55901}}^1$

素因数の和:56067

約数の個数: 32

約数和(自身を含む): 26564630400

約数和(自身を除く): 6243778385

約数列:

[1, 5, 23, 29, 109, 115, 145, 545, 667, 2507, 3161, 3335, 12535, 15805, 55901, 72703, 279505, 363515, 1285723, 1621129, 6093209, 6428615, 8105645, 30466045, 37285967, 140143807, 176703061, 186429835, 700719035, 883515305, 4064170403, 20320852015]

約数ペア:

[(1, 20320852015), (5, 4064170403), (23, 883515305), (29, 700719035), (109, 186429835), (115, 176703061), (145, 140143807), (545, 37285967), (667, 30466045), (2507, 8105645), (3161, 6428615), (3335, 6093209), (12535, 1621129), (15805, 1285723), (55901, 363515), (72703, 279505)]