20565862527

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^2\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 31874457600

約数和(自身を除く): 11308595073

約数列:

[1, 3, 7, 21, 131, 149, 383, 393, 447, 917, 1043, 1149, 2681, 2751, 3129, 8043, 17161, 19519, 50173, 51483, 57067, 58557, 120127, 136633, 150519, 171201, 351211, 360381, 399469, 409899, 1053633, 1198407, 2556989, 6572663, 7475777, 7670967, 17898923, 19717989, 22427331, 46008641, 52330439, 53696769, 138025923, 156991317, 979326787, 2937980361, 6855287509, 20565862527]

約数ペア:

[(1, 20565862527), (3, 6855287509), (7, 2937980361), (21, 979326787), (131, 156991317), (149, 138025923), (383, 53696769), (393, 52330439), (447, 46008641), (917, 22427331), (1043, 19717989), (1149, 17898923), (2681, 7670967), (2751, 7475777), (3129, 6572663), (8043, 2556989), (17161, 1198407), (19519, 1053633), (50173, 409899), (51483, 399469), (57067, 360381), (58557, 351211), (120127, 171201), (136633, 150519)]