20366976336

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{143981}}^1$

素因数の和:144420

約数の個数: 80

約数和(自身を含む): 60274320768

約数和(自身を除く): 39907344432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 421, 842, 1263, 1684, 2526, 2947, 3368, 5052, 5894, 6736, 8841, 10104, 11788, 17682, 20208, 23576, 35364, 47152, 70728, 141456, 143981, 287962, 431943, 575924, 863886, 1007867, 1151848, 1727772, 2015734, 2303696, 3023601, 3455544, 4031468, 6047202, 6911088, 8062936, 12094404, 16125872, 24188808, 48377616, 60616001, 121232002, 181848003, 242464004, 363696006, 424312007, 484928008, 727392012, 848624014, 969856016, 1272936021, 1454784024, 1697248028, 2545872042, 2909568048, 3394496056, 5091744084, 6788992112, 10183488168, 20366976336]

約数ペア:

[(1, 20366976336), (2, 10183488168), (3, 6788992112), (4, 5091744084), (6, 3394496056), (7, 2909568048), (8, 2545872042), (12, 1697248028), (14, 1454784024), (16, 1272936021), (21, 969856016), (24, 848624014), (28, 727392012), (42, 484928008), (48, 424312007), (56, 363696006), (84, 242464004), (112, 181848003), (168, 121232002), (336, 60616001), (421, 48377616), (842, 24188808), (1263, 16125872), (1684, 12094404), (2526, 8062936), (2947, 6911088), (3368, 6047202), (5052, 4031468), (5894, 3455544), (6736, 3023601), (8841, 2303696), (10104, 2015734), (11788, 1727772), (17682, 1151848), (20208, 1007867), (23576, 863886), (35364, 575924), (47152, 431943), (70728, 287962), (141456, 143981)]