20021230450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30801893}}^1$

素因数の和:30801918

約数の個数: 24

約数和(自身を含む): 40104065988

約数和(自身を除く): 20082835538

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30801893, 61603786, 154009465, 308018930, 400424609, 770047325, 800849218, 1540094650, 2002123045, 4004246090, 10010615225, 20021230450]

約数ペア:

[(1, 20021230450), (2, 10010615225), (5, 4004246090), (10, 2002123045), (13, 1540094650), (25, 800849218), (26, 770047325), (50, 400424609), (65, 308018930), (130, 154009465), (325, 61603786), (650, 30801893)]