20156422

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 48

約数和(自身を含む): 36867600

約数和(自身を除く): 16711178

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 121, 143, 149, 242, 286, 298, 473, 559, 946, 1118, 1573, 1639, 1937, 3146, 3278, 3874, 5203, 6149, 6407, 10406, 12298, 12814, 18029, 21307, 36058, 42614, 67639, 70477, 83291, 135278, 140954, 166582, 234377, 468754, 775247, 916201, 1550494, 1832402, 10078211, 20156422]

約数ペア:

[(1, 20156422), (2, 10078211), (11, 1832402), (13, 1550494), (22, 916201), (26, 775247), (43, 468754), (86, 234377), (121, 166582), (143, 140954), (149, 135278), (242, 83291), (286, 70477), (298, 67639), (473, 42614), (559, 36058), (946, 21307), (1118, 18029), (1573, 12814), (1639, 12298), (1937, 10406), (3146, 6407), (3278, 6149), (3874, 5203)]