20948454

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{4027}}^1$

素因数の和:4069

約数の個数: 36

約数和(自身を含む): 48227244

約数和(自身を除く): 27278790

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 289, 306, 578, 867, 1734, 2601, 4027, 5202, 8054, 12081, 24162, 36243, 68459, 72486, 136918, 205377, 410754, 616131, 1163803, 1232262, 2327606, 3491409, 6982818, 10474227, 20948454]

約数ペア:

[(1, 20948454), (2, 10474227), (3, 6982818), (6, 3491409), (9, 2327606), (17, 1232262), (18, 1163803), (34, 616131), (51, 410754), (102, 205377), (153, 136918), (289, 72486), (306, 68459), (578, 36243), (867, 24162), (1734, 12081), (2601, 8054), (4027, 5202)]