20548878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16871}}^1$

素因数の和:16912

約数の個数: 32

約数和(自身を含む): 48591360

約数和(自身を除く): 28042482

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 16871, 33742, 50613, 101226, 118097, 236194, 354291, 489259, 708582, 978518, 1467777, 2935554, 3424813, 6849626, 10274439, 20548878]

約数ペア:

[(1, 20548878), (2, 10274439), (3, 6849626), (6, 3424813), (7, 2935554), (14, 1467777), (21, 978518), (29, 708582), (42, 489259), (58, 354291), (87, 236194), (174, 118097), (203, 101226), (406, 50613), (609, 33742), (1218, 16871)]