20227939221

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15790741}}^1$

素因数の和:15790812

約数の個数: 16

約数和(自身を含む): 31328832128

約数和(自身を除く): 11100892907

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15790741, 47372223, 110535187, 331605561, 963235201, 2889705603, 6742646407, 20227939221]

約数ペア:

[(1, 20227939221), (3, 6742646407), (7, 2889705603), (21, 963235201), (61, 331605561), (183, 110535187), (427, 47372223), (1281, 15790741)]