20712712

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1777}}^1$

素因数の和:1861

約数の個数: 32

約数和(自身を含む): 40965120

約数和(自身を除く): 20252408

約数列:

[1, 2, 4, 8, 31, 47, 62, 94, 124, 188, 248, 376, 1457, 1777, 2914, 3554, 5828, 7108, 11656, 14216, 55087, 83519, 110174, 167038, 220348, 334076, 440696, 668152, 2589089, 5178178, 10356356, 20712712]

約数ペア:

[(1, 20712712), (2, 10356356), (4, 5178178), (8, 2589089), (31, 668152), (47, 440696), (62, 334076), (94, 220348), (124, 167038), (188, 110174), (248, 83519), (376, 55087), (1457, 14216), (1777, 11656), (2914, 7108), (3554, 5828)]