20216143871

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{30119}}^1$

素因数の和:30539

約数の個数: 32

約数和(自身を含む): 26370662400

約数和(自身を除く): 6154518529

約数列:

[1, 7, 11, 23, 77, 161, 253, 379, 1771, 2653, 4169, 8717, 29183, 30119, 61019, 95887, 210833, 331309, 671209, 692737, 2319163, 4849159, 7620107, 11415101, 53340749, 79905707, 125566111, 262547323, 878962777, 1837831261, 2888020553, 20216143871]

約数ペア:

[(1, 20216143871), (7, 2888020553), (11, 1837831261), (23, 878962777), (77, 262547323), (161, 125566111), (253, 79905707), (379, 53340749), (1771, 11415101), (2653, 7620107), (4169, 4849159), (8717, 2319163), (29183, 692737), (30119, 671209), (61019, 331309), (95887, 210833)]