20137197

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 30081024

約数和(自身を除く): 9943827

約数列:

[1, 3, 17, 31, 47, 51, 93, 141, 271, 527, 799, 813, 1457, 1581, 2397, 4371, 4607, 8401, 12737, 13821, 24769, 25203, 38211, 74307, 142817, 216529, 394847, 428451, 649587, 1184541, 6712399, 20137197]

約数ペア:

[(1, 20137197), (3, 6712399), (17, 1184541), (31, 649587), (47, 428451), (51, 394847), (93, 216529), (141, 142817), (271, 74307), (527, 38211), (799, 25203), (813, 24769), (1457, 13821), (1581, 12737), (2397, 8401), (4371, 4607)]