20135695209

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{180539}}^1$

素因数の和:180709

約数の個数: 32

約数和(自身を含む): 31613276160

約数和(自身を除く): 11477580951

約数列:

[1, 3, 7, 21, 47, 113, 141, 329, 339, 791, 987, 2373, 5311, 15933, 37177, 111531, 180539, 541617, 1263773, 3791319, 8485333, 20400907, 25455999, 59397331, 61202721, 142806349, 178191993, 428419047, 958842629, 2876527887, 6711898403, 20135695209]

約数ペア:

[(1, 20135695209), (3, 6711898403), (7, 2876527887), (21, 958842629), (47, 428419047), (113, 178191993), (141, 142806349), (329, 61202721), (339, 59397331), (791, 25455999), (987, 20400907), (2373, 8485333), (5311, 3791319), (15933, 1263773), (37177, 541617), (111531, 180539)]