16912940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1303}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 39432960

約数和(自身を除く): 22520020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 1303, 2596, 2606, 3245, 5212, 6490, 6515, 12980, 13030, 14333, 26060, 28666, 57332, 71665, 76877, 143330, 153754, 286660, 307508, 384385, 768770, 845647, 1537540, 1691294, 3382588, 4228235, 8456470, 16912940]

約数ペア:

[(1, 16912940), (2, 8456470), (4, 4228235), (5, 3382588), (10, 1691294), (11, 1537540), (20, 845647), (22, 768770), (44, 384385), (55, 307508), (59, 286660), (110, 153754), (118, 143330), (220, 76877), (236, 71665), (295, 57332), (590, 28666), (649, 26060), (1180, 14333), (1298, 13030), (1303, 12980), (2596, 6515), (2606, 6490), (3245, 5212)]