20281086

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3037}}^1$

素因数の和:3105

約数の個数: 48

約数和(自身を含む): 51184224

約数和(自身を除く): 30903138

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 477, 742, 954, 1113, 2226, 3037, 3339, 6074, 6678, 9111, 18222, 21259, 27333, 42518, 54666, 63777, 127554, 160961, 191331, 321922, 382662, 482883, 965766, 1126727, 1448649, 2253454, 2897298, 3380181, 6760362, 10140543, 20281086]

約数ペア:

[(1, 20281086), (2, 10140543), (3, 6760362), (6, 3380181), (7, 2897298), (9, 2253454), (14, 1448649), (18, 1126727), (21, 965766), (42, 482883), (53, 382662), (63, 321922), (106, 191331), (126, 160961), (159, 127554), (318, 63777), (371, 54666), (477, 42518), (742, 27333), (954, 21259), (1113, 18222), (2226, 9111), (3037, 6678), (3339, 6074)]