20197683

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1091}}^1$

素因数の和:1136

約数の個数: 36

約数和(自身を含む): 33985224

約数和(自身を除く): 13787541

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 121, 153, 187, 363, 561, 1089, 1091, 1683, 2057, 3273, 6171, 9819, 12001, 18513, 18547, 36003, 55641, 108009, 132011, 166923, 204017, 396033, 612051, 1188099, 1836153, 2244187, 6732561, 20197683]

約数ペア:

[(1, 20197683), (3, 6732561), (9, 2244187), (11, 1836153), (17, 1188099), (33, 612051), (51, 396033), (99, 204017), (121, 166923), (153, 132011), (187, 108009), (363, 55641), (561, 36003), (1089, 18547), (1091, 18513), (1683, 12001), (2057, 9819), (3273, 6171)]