20772975

素因数分解:

$3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{1601}}^1$

素因数の和:1787

約数の個数: 24

約数和(自身を含む): 34564752

約数和(自身を除く): 13791777

約数列:

[1, 3, 5, 15, 25, 75, 173, 519, 865, 1601, 2595, 4325, 4803, 8005, 12975, 24015, 40025, 120075, 276973, 830919, 1384865, 4154595, 6924325, 20772975]

約数ペア:

[(1, 20772975), (3, 6924325), (5, 4154595), (15, 1384865), (25, 830919), (75, 276973), (173, 120075), (519, 40025), (865, 24015), (1601, 12975), (2595, 8005), (4325, 4803)]