20559100

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{2477}}^1$

素因数の和:2574

約数の個数: 36

約数和(自身を含む): 45168984

約数和(自身を除く): 24609884

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 332, 415, 830, 1660, 2075, 2477, 4150, 4954, 8300, 9908, 12385, 24770, 49540, 61925, 123850, 205591, 247700, 411182, 822364, 1027955, 2055910, 4111820, 5139775, 10279550, 20559100]

約数ペア:

[(1, 20559100), (2, 10279550), (4, 5139775), (5, 4111820), (10, 2055910), (20, 1027955), (25, 822364), (50, 411182), (83, 247700), (100, 205591), (166, 123850), (332, 61925), (415, 49540), (830, 24770), (1660, 12385), (2075, 9908), (2477, 8300), (4150, 4954)]