20270432

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6961}}^1$

素因数の和:6991

約数の個数: 48

約数和(自身を含む): 49123872

約数和(自身を除く): 28853440

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6961, 13922, 27844, 48727, 55688, 90493, 97454, 111376, 180986, 194908, 222752, 361972, 389816, 633451, 723944, 779632, 1266902, 1447888, 1559264, 2533804, 2895776, 5067608, 10135216, 20270432]

約数ペア:

[(1, 20270432), (2, 10135216), (4, 5067608), (7, 2895776), (8, 2533804), (13, 1559264), (14, 1447888), (16, 1266902), (26, 779632), (28, 723944), (32, 633451), (52, 389816), (56, 361972), (91, 222752), (104, 194908), (112, 180986), (182, 111376), (208, 97454), (224, 90493), (364, 55688), (416, 48727), (728, 27844), (1456, 13922), (2912, 6961)]