20635797

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{281}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 34110720

約数和(自身を除く): 13474923

約数列:

[1, 3, 7, 13, 21, 39, 91, 269, 273, 281, 807, 843, 1883, 1967, 3497, 3653, 5649, 5901, 10491, 10959, 24479, 25571, 73437, 75589, 76713, 226767, 529123, 982657, 1587369, 2947971, 6878599, 20635797]

約数ペア:

[(1, 20635797), (3, 6878599), (7, 2947971), (13, 1587369), (21, 982657), (39, 529123), (91, 226767), (269, 76713), (273, 75589), (281, 73437), (807, 25571), (843, 24479), (1883, 10959), (1967, 10491), (3497, 5901), (3653, 5649)]