20165925104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{148471}}^1$

素因数の和:149145

約数の個数: 40

約数和(自身を含む): 42141698592

約数和(自身を除く): 21975773488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 653, 1306, 2612, 5224, 8489, 10448, 16978, 33956, 67912, 135824, 148471, 296942, 593884, 1187768, 1930123, 2375536, 3860246, 7720492, 15440984, 30881968, 96951563, 193903126, 387806252, 775612504, 1260370319, 1551225008, 2520740638, 5041481276, 10082962552, 20165925104]

約数ペア:

[(1, 20165925104), (2, 10082962552), (4, 5041481276), (8, 2520740638), (13, 1551225008), (16, 1260370319), (26, 775612504), (52, 387806252), (104, 193903126), (208, 96951563), (653, 30881968), (1306, 15440984), (2612, 7720492), (5224, 3860246), (8489, 2375536), (10448, 1930123), (16978, 1187768), (33956, 593884), (67912, 296942), (135824, 148471)]