20864938437

素因数分解:

$3^2\times 7^1\times {\mathrm{7451}}^1\times {\mathrm{44449}}^1$

素因数の和:51913

約数の個数: 24

約数和(自身を含む): 34449105600

約数和(自身を除く): 13584167163

約数列:

[1, 3, 7, 9, 21, 63, 7451, 22353, 44449, 52157, 67059, 133347, 156471, 311143, 400041, 469413, 933429, 2800287, 331189499, 993568497, 2318326493, 2980705491, 6954979479, 20864938437]

約数ペア:

[(1, 20864938437), (3, 6954979479), (7, 2980705491), (9, 2318326493), (21, 993568497), (63, 331189499), (7451, 2800287), (22353, 933429), (44449, 469413), (52157, 400041), (67059, 311143), (133347, 156471)]