20175714620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1307}}^1\times {\mathrm{12653}}^1$

素因数の和:14030

約数の個数: 48

約数和(自身を含む): 43099928928

約数和(自身を除く): 22924214308

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1307, 2614, 5228, 6535, 12653, 13070, 25306, 26140, 50612, 63265, 79727, 126530, 159454, 253060, 318908, 398635, 771833, 797270, 1543666, 1594540, 3087332, 3859165, 7718330, 15436660, 16537471, 33074942, 66149884, 82687355, 165374710, 330749420, 1008785731, 2017571462, 4035142924, 5043928655, 10087857310, 20175714620]

約数ペア:

[(1, 20175714620), (2, 10087857310), (4, 5043928655), (5, 4035142924), (10, 2017571462), (20, 1008785731), (61, 330749420), (122, 165374710), (244, 82687355), (305, 66149884), (610, 33074942), (1220, 16537471), (1307, 15436660), (2614, 7718330), (5228, 3859165), (6535, 3087332), (12653, 1594540), (13070, 1543666), (25306, 797270), (26140, 771833), (50612, 398635), (63265, 318908), (79727, 253060), (126530, 159454)]