20165990504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{722899}}^1$

素因数の和:723233

約数の個数: 32

約数和(自身を含む): 41378796000

約数和(自身を除く): 21212805496

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 317, 634, 1268, 2536, 3487, 6974, 13948, 27896, 722899, 1445798, 2891596, 5783192, 7951889, 15903778, 31807556, 63615112, 229158983, 458317966, 916635932, 1833271864, 2520748813, 5041497626, 10082995252, 20165990504]

約数ペア:

[(1, 20165990504), (2, 10082995252), (4, 5041497626), (8, 2520748813), (11, 1833271864), (22, 916635932), (44, 458317966), (88, 229158983), (317, 63615112), (634, 31807556), (1268, 15903778), (2536, 7951889), (3487, 5783192), (6974, 2891596), (13948, 1445798), (27896, 722899)]