20153965216

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{743579}}^1$

素因数の和:743618

約数の個数: 72

約数和(自身を含む): 49843654560

約数和(自身を除く): 29689689344

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 121, 154, 176, 224, 242, 308, 352, 484, 616, 847, 968, 1232, 1694, 1936, 2464, 3388, 3872, 6776, 13552, 27104, 743579, 1487158, 2974316, 5205053, 5948632, 8179369, 10410106, 11897264, 16358738, 20820212, 23794528, 32717476, 41640424, 57255583, 65434952, 83280848, 89973059, 114511166, 130869904, 166561696, 179946118, 229022332, 261739808, 359892236, 458044664, 629811413, 719784472, 916089328, 1259622826, 1439568944, 1832178656, 2519245652, 2879137888, 5038491304, 10076982608, 20153965216]

約数ペア:

[(1, 20153965216), (2, 10076982608), (4, 5038491304), (7, 2879137888), (8, 2519245652), (11, 1832178656), (14, 1439568944), (16, 1259622826), (22, 916089328), (28, 719784472), (32, 629811413), (44, 458044664), (56, 359892236), (77, 261739808), (88, 229022332), (112, 179946118), (121, 166561696), (154, 130869904), (176, 114511166), (224, 89973059), (242, 83280848), (308, 65434952), (352, 57255583), (484, 41640424), (616, 32717476), (847, 23794528), (968, 20820212), (1232, 16358738), (1694, 11897264), (1936, 10410106), (2464, 8179369), (3388, 5948632), (3872, 5205053), (6776, 2974316), (13552, 1487158), (27104, 743579)]