20325088

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2927}}^1$

素因数の和:2975

約数の個数: 48

約数和(自身を含む): 47222784

約数和(自身を除く): 26897696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 2927, 3472, 5854, 6944, 11708, 20489, 23416, 40978, 46832, 81956, 90737, 93664, 163912, 181474, 327824, 362948, 635159, 655648, 725896, 1270318, 1451792, 2540636, 2903584, 5081272, 10162544, 20325088]

約数ペア:

[(1, 20325088), (2, 10162544), (4, 5081272), (7, 2903584), (8, 2540636), (14, 1451792), (16, 1270318), (28, 725896), (31, 655648), (32, 635159), (56, 362948), (62, 327824), (112, 181474), (124, 163912), (217, 93664), (224, 90737), (248, 81956), (434, 46832), (496, 40978), (868, 23416), (992, 20489), (1736, 11708), (2927, 6944), (3472, 5854)]