16620835

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1877}}^1$

素因数の和:1923

約数の個数: 32

約数和(自身を含む): 25961472

約数和(自身を除く): 9340637

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 1877, 8855, 9385, 13139, 20647, 43171, 65695, 103235, 144529, 215855, 302197, 474881, 722645, 1510985, 2374405, 3324167, 16620835]

約数ペア:

[(1, 16620835), (5, 3324167), (7, 2374405), (11, 1510985), (23, 722645), (35, 474881), (55, 302197), (77, 215855), (115, 144529), (161, 103235), (253, 65695), (385, 43171), (805, 20647), (1265, 13139), (1771, 9385), (1877, 8855)]