20795892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1223}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 52778880

約数和(自身を除く): 31982988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 109, 156, 218, 327, 436, 654, 1223, 1308, 1417, 2446, 2834, 3669, 4251, 4892, 5668, 7338, 8502, 14676, 15899, 17004, 31798, 47697, 63596, 95394, 133307, 190788, 266614, 399921, 533228, 799842, 1599684, 1732991, 3465982, 5198973, 6931964, 10397946, 20795892]

約数ペア:

[(1, 20795892), (2, 10397946), (3, 6931964), (4, 5198973), (6, 3465982), (12, 1732991), (13, 1599684), (26, 799842), (39, 533228), (52, 399921), (78, 266614), (109, 190788), (156, 133307), (218, 95394), (327, 63596), (436, 47697), (654, 31798), (1223, 17004), (1308, 15899), (1417, 14676), (2446, 8502), (2834, 7338), (3669, 5668), (4251, 4892)]