20993258

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{6673}}^1$

素因数の和:6710

約数の個数: 24

約数和(自身を含む): 37280964

約数和(自身を除く): 16287706

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 1573, 3146, 6673, 13346, 73403, 86749, 146806, 173498, 807433, 954239, 1614866, 1908478, 10496629, 20993258]

約数ペア:

[(1, 20993258), (2, 10496629), (11, 1908478), (13, 1614866), (22, 954239), (26, 807433), (121, 173498), (143, 146806), (242, 86749), (286, 73403), (1573, 13346), (3146, 6673)]