20797347951

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1\times {\mathrm{683}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 30816115200

約数和(自身を除く): 10018767249

約数列:

[1, 3, 9, 79, 113, 237, 339, 379, 683, 711, 1017, 1137, 2049, 3411, 6147, 8927, 26781, 29941, 42827, 53957, 77179, 80343, 89823, 128481, 161871, 231537, 258857, 269469, 385443, 485613, 694611, 776571, 2329713, 3383333, 6097141, 10149999, 18291423, 20449703, 29250841, 30449997, 54874269, 61349109, 87752523, 184047327, 263257569, 2310816439, 6932449317, 20797347951]

約数ペア:

[(1, 20797347951), (3, 6932449317), (9, 2310816439), (79, 263257569), (113, 184047327), (237, 87752523), (339, 61349109), (379, 54874269), (683, 30449997), (711, 29250841), (1017, 20449703), (1137, 18291423), (2049, 10149999), (3411, 6097141), (6147, 3383333), (8927, 2329713), (26781, 776571), (29941, 694611), (42827, 485613), (53957, 385443), (77179, 269469), (80343, 258857), (89823, 231537), (128481, 161871)]