20788404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19037}}^1$

素因数の和:19064

約数の個数: 48

約数和(自身を含む): 59703168

約数和(自身を除く): 38914764

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19037, 38074, 57111, 76148, 114222, 133259, 228444, 247481, 266518, 399777, 494962, 533036, 742443, 799554, 989924, 1484886, 1599108, 1732367, 2969772, 3464734, 5197101, 6929468, 10394202, 20788404]

約数ペア:

[(1, 20788404), (2, 10394202), (3, 6929468), (4, 5197101), (6, 3464734), (7, 2969772), (12, 1732367), (13, 1599108), (14, 1484886), (21, 989924), (26, 799554), (28, 742443), (39, 533036), (42, 494962), (52, 399777), (78, 266518), (84, 247481), (91, 228444), (156, 133259), (182, 114222), (273, 76148), (364, 57111), (546, 38074), (1092, 19037)]