20017476

素因数分解:

$2^2\times 3^3\times {\mathrm{73}}^1\times {\mathrm{2539}}^1$

素因数の和:2625

約数の個数: 48

約数和(自身を含む): 52628800

約数和(自身を除く): 32611324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 108, 146, 219, 292, 438, 657, 876, 1314, 1971, 2539, 2628, 3942, 5078, 7617, 7884, 10156, 15234, 22851, 30468, 45702, 68553, 91404, 137106, 185347, 274212, 370694, 556041, 741388, 1112082, 1668123, 2224164, 3336246, 5004369, 6672492, 10008738, 20017476]

約数ペア:

[(1, 20017476), (2, 10008738), (3, 6672492), (4, 5004369), (6, 3336246), (9, 2224164), (12, 1668123), (18, 1112082), (27, 741388), (36, 556041), (54, 370694), (73, 274212), (108, 185347), (146, 137106), (219, 91404), (292, 68553), (438, 45702), (657, 30468), (876, 22851), (1314, 15234), (1971, 10156), (2539, 7884), (2628, 7617), (3942, 5078)]