20123202092

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{355609}}^1$

素因数の和:355710

約数の個数: 48

約数和(自身を含む): 42058705920

約数和(自身を除く): 21935503828

約数列:

[1, 2, 4, 7, 14, 28, 43, 47, 86, 94, 172, 188, 301, 329, 602, 658, 1204, 1316, 2021, 4042, 8084, 14147, 28294, 56588, 355609, 711218, 1422436, 2489263, 4978526, 9957052, 15291187, 16713623, 30582374, 33427246, 61164748, 66854492, 107038309, 116995361, 214076618, 233990722, 428153236, 467981444, 718685789, 1437371578, 2874743156, 5030800523, 10061601046, 20123202092]

約数ペア:

[(1, 20123202092), (2, 10061601046), (4, 5030800523), (7, 2874743156), (14, 1437371578), (28, 718685789), (43, 467981444), (47, 428153236), (86, 233990722), (94, 214076618), (172, 116995361), (188, 107038309), (301, 66854492), (329, 61164748), (602, 33427246), (658, 30582374), (1204, 16713623), (1316, 15291187), (2021, 9957052), (4042, 4978526), (8084, 2489263), (14147, 1422436), (28294, 711218), (56588, 355609)]