20806002

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2707}}^1$

素因数の和:2783

約数の個数: 48

約数和(自身を含む): 52383552

約数和(自身を除く): 31577550

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 2707, 3843, 5414, 7686, 8121, 16242, 18949, 24363, 37898, 48726, 56847, 113694, 165127, 170541, 330254, 341082, 495381, 990762, 1155889, 1486143, 2311778, 2972286, 3467667, 6935334, 10403001, 20806002]

約数ペア:

[(1, 20806002), (2, 10403001), (3, 6935334), (6, 3467667), (7, 2972286), (9, 2311778), (14, 1486143), (18, 1155889), (21, 990762), (42, 495381), (61, 341082), (63, 330254), (122, 170541), (126, 165127), (183, 113694), (366, 56847), (427, 48726), (549, 37898), (854, 24363), (1098, 18949), (1281, 16242), (2562, 8121), (2707, 7686), (3843, 5414)]