20123642858

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{11717}}^1$

素因数の和:11939

約数の個数: 48

約数和(自身を含む): 34112316672

約数和(自身を除く): 13988673814

約数列:

[1, 2, 11, 22, 47, 94, 121, 151, 242, 302, 517, 1034, 1661, 3322, 5687, 7097, 11374, 11717, 14194, 18271, 23434, 36542, 78067, 128887, 156134, 257774, 550699, 858737, 1101398, 1417757, 1717474, 1769267, 2835514, 3538534, 6057689, 12115378, 19461937, 38923874, 66634579, 83155549, 133269158, 166311098, 214081307, 428162614, 914711039, 1829422078, 10061821429, 20123642858]

約数ペア:

[(1, 20123642858), (2, 10061821429), (11, 1829422078), (22, 914711039), (47, 428162614), (94, 214081307), (121, 166311098), (151, 133269158), (242, 83155549), (302, 66634579), (517, 38923874), (1034, 19461937), (1661, 12115378), (3322, 6057689), (5687, 3538534), (7097, 2835514), (11374, 1769267), (11717, 1717474), (14194, 1417757), (18271, 1101398), (23434, 858737), (36542, 550699), (78067, 257774), (128887, 156134)]