20456077257

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1231}}^1\times {\mathrm{7993}}^1$

素因数の和:9251

約数の個数: 64

約数和(自身を含む): 37818654720

約数和(自身を除く): 17362577463

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 1231, 2079, 3693, 7993, 8617, 11079, 13541, 23979, 25851, 33237, 40623, 55951, 71937, 77553, 87923, 94787, 121869, 167853, 215811, 232659, 263769, 284361, 365607, 503559, 615461, 791307, 853083, 1510677, 1846383, 2373921, 2559249, 5539149, 9839383, 16617447, 29518149, 68875681, 88554447, 108233213, 206627043, 265663341, 324699639, 619881129, 757632491, 974098917, 1859643387, 2272897473, 2922296751, 6818692419, 20456077257]

約数ペア:

[(1, 20456077257), (3, 6818692419), (7, 2922296751), (9, 2272897473), (11, 1859643387), (21, 974098917), (27, 757632491), (33, 619881129), (63, 324699639), (77, 265663341), (99, 206627043), (189, 108233213), (231, 88554447), (297, 68875681), (693, 29518149), (1231, 16617447), (2079, 9839383), (3693, 5539149), (7993, 2559249), (8617, 2373921), (11079, 1846383), (13541, 1510677), (23979, 853083), (25851, 791307), (33237, 615461), (40623, 503559), (55951, 365607), (71937, 284361), (77553, 263769), (87923, 232659), (94787, 215811), (121869, 167853)]