20129759995

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{389}}^1\times {\mathrm{2137}}^1$

素因数の和:2727

約数の個数: 32

約数和(自身を含む): 25214716800

約数和(自身を除く): 5084956805

約数列:

[1, 5, 29, 145, 167, 389, 835, 1945, 2137, 4843, 10685, 11281, 24215, 56405, 61973, 64963, 309865, 324815, 356879, 831293, 1784395, 1883927, 4156465, 9419635, 10349491, 24107497, 51747455, 120537485, 138825931, 694129655, 4025951999, 20129759995]

約数ペア:

[(1, 20129759995), (5, 4025951999), (29, 694129655), (145, 138825931), (167, 120537485), (389, 51747455), (835, 24107497), (1945, 10349491), (2137, 9419635), (4843, 4156465), (10685, 1883927), (11281, 1784395), (24215, 831293), (56405, 356879), (61973, 324815), (64963, 309865)]