20259165

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 33641856

約数和(自身を除く): 13382691

約数列:

[1, 3, 5, 15, 37, 111, 173, 185, 211, 519, 555, 633, 865, 1055, 2595, 3165, 6401, 7807, 19203, 23421, 32005, 36503, 39035, 96015, 109509, 117105, 182515, 547545, 1350611, 4051833, 6753055, 20259165]

約数ペア:

[(1, 20259165), (3, 6753055), (5, 4051833), (15, 1350611), (37, 547545), (111, 182515), (173, 117105), (185, 109509), (211, 96015), (519, 39035), (555, 36503), (633, 32005), (865, 23421), (1055, 19203), (2595, 7807), (3165, 6401)]