20825552

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:408

約数の個数: 60

約数和(自身を含む): 45913728

約数和(自身を除く): 25088176

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 121, 124, 176, 242, 248, 341, 347, 484, 496, 682, 694, 968, 1364, 1388, 1936, 2728, 2776, 3751, 3817, 5456, 5552, 7502, 7634, 10757, 15004, 15268, 21514, 30008, 30536, 41987, 43028, 60016, 61072, 83974, 86056, 118327, 167948, 172112, 236654, 335896, 473308, 671792, 946616, 1301597, 1893232, 2603194, 5206388, 10412776, 20825552]

約数ペア:

[(1, 20825552), (2, 10412776), (4, 5206388), (8, 2603194), (11, 1893232), (16, 1301597), (22, 946616), (31, 671792), (44, 473308), (62, 335896), (88, 236654), (121, 172112), (124, 167948), (176, 118327), (242, 86056), (248, 83974), (341, 61072), (347, 60016), (484, 43028), (496, 41987), (682, 30536), (694, 30008), (968, 21514), (1364, 15268), (1388, 15004), (1936, 10757), (2728, 7634), (2776, 7502), (3751, 5552), (3817, 5456)]