20054450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30853}}^1$

素因数の和:30878

約数の個数: 24

約数和(自身を含む): 40171908

約数和(自身を除く): 20117458

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30853, 61706, 154265, 308530, 401089, 771325, 802178, 1542650, 2005445, 4010890, 10027225, 20054450]

約数ペア:

[(1, 20054450), (2, 10027225), (5, 4010890), (10, 2005445), (13, 1542650), (25, 802178), (26, 771325), (50, 401089), (65, 308530), (130, 154265), (325, 61706), (650, 30853)]