20512057146

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{907}}^1\times {\mathrm{1279}}^1$

素因数の和:2619

約数の個数: 64

約数和(自身を含む): 47084666880

約数和(自身を除く): 26572609734

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 421, 842, 907, 1263, 1279, 1814, 2526, 2558, 2721, 2947, 3837, 5442, 5894, 6349, 7674, 8841, 8953, 12698, 17682, 17906, 19047, 26859, 38094, 53718, 381847, 538459, 763694, 1076918, 1145541, 1160053, 1615377, 2291082, 2320106, 2672929, 3230754, 3480159, 3769213, 5345858, 6960318, 7538426, 8018787, 8120371, 11307639, 16037574, 16240742, 22615278, 24361113, 48722226, 488382313, 976764626, 1465146939, 2930293878, 3418676191, 6837352382, 10256028573, 20512057146]

約数ペア:

[(1, 20512057146), (2, 10256028573), (3, 6837352382), (6, 3418676191), (7, 2930293878), (14, 1465146939), (21, 976764626), (42, 488382313), (421, 48722226), (842, 24361113), (907, 22615278), (1263, 16240742), (1279, 16037574), (1814, 11307639), (2526, 8120371), (2558, 8018787), (2721, 7538426), (2947, 6960318), (3837, 5345858), (5442, 3769213), (5894, 3480159), (6349, 3230754), (7674, 2672929), (8841, 2320106), (8953, 2291082), (12698, 1615377), (17682, 1160053), (17906, 1145541), (19047, 1076918), (26859, 763694), (38094, 538459), (53718, 381847)]