20497896

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{9817}}^1$

素因数の和:9858

約数の個数: 48

約数和(自身を含む): 57435300

約数和(自身を除く): 36937404

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 9817, 19634, 29451, 39268, 58902, 78536, 88353, 117804, 176706, 235608, 284693, 353412, 569386, 706824, 854079, 1138772, 1708158, 2277544, 2562237, 3416316, 5124474, 6832632, 10248948, 20497896]

約数ペア:

[(1, 20497896), (2, 10248948), (3, 6832632), (4, 5124474), (6, 3416316), (8, 2562237), (9, 2277544), (12, 1708158), (18, 1138772), (24, 854079), (29, 706824), (36, 569386), (58, 353412), (72, 284693), (87, 235608), (116, 176706), (174, 117804), (232, 88353), (261, 78536), (348, 58902), (522, 39268), (696, 29451), (1044, 19634), (2088, 9817)]